Echinacea - Adventist HealthCare

Echinacea

Uses

Botanical names:
Echinacea angustifolia, Echinacea pallida, Echinacea purpurea

Parts Used & Where Grown

Echinacea is a wildflower native to North America. While echinacea continues to grow and is harvested from the wild, the majority used for herbal supplements comes from cultivated plants. The root and/or the above-ground part of the plant during the flowering growth phase are used in herbal medicine.

What Are Star Ratings?

This supplement has been used in connection with the following health conditions:

Used for Why
2 Stars
Common Cold
3 to 5 ml of liquid herbal extracts every two hours, or 300 to 600 mg of powdered herb three times daily, or five to six cups of tea daily
At the first sign of a cold, taking immune-stimulating echinacea as a juice or tincture may make colds less severe.

Double-blind trials have shown that various echinacea extracts shorten the duration of the common cold. Fresh pressed juice of echinacea(E. purpurea) flowers preserved with alcohol, and tinctures of echinacea (E. pallida) root are the forms most commonly studied and proven effective. In addition, several double-blind trials have found that echinacea (E. angustifolia) root tinctures in combination with wild indigo, boneset, and homeopathic arnica reduce symptoms of the common cold. In one double-blind trial, a proprietary formulation of echinacea, white cedar, and wild indigo, known as Esberitox, reduced the length and severity of cold symptoms significantly more than did placebo. One double-blind trial found that echinacea was inffective for treating colds that were induced in research subjects by instilling a cold virus (rhinovirus) directly into their noses. However, the relevance of this study to the treatment of naturally occurring colds is not clear. Another double-blind study found that echinacea was not an effective for upper respiratory tract infections in children aged 2 to 11 years.

Echinacea is believed to work primarily through immune stimulation. The minimum effective amount of echinacea tincture or juice appears to be 3 ml three times per day. Higher amounts, such as 3 to 5 ml every two hours, is generally better and is safe, even for children. Encapsulated products may also be effective, according to a double-blind trial using the root of E. pallida. Generally, capsules containing 300 to 600 mg are used three times per day. According to one double-blind trial, employees of a nursing home who consumed echinacea tea at the onset of a cold or flu reduced the duration of their symptoms by about two days when compared with people consuming a placebo tea. The participants drank five to six cups of tea on the first day of their symptoms and decreased this by one cup each day over the next five days.

Most double-blind trials indicate that regular use of echinacea to prevent colds does not work. However, one double-blind trial showed that regular use of echinacea for four months over the winter decreased the number of colds by 21% compared with a placebo, a statistically significant difference. For the treatment of a cold, it is currently recommended to use echinacea for a total of seven to ten days.
2 Stars
Gingivitis (Caraway, Chamomile, Clove Oil, Menthol, Molmol, Peppermint, Sage)
0.5 ml in half a glass of water three times per day swished slowly in the mouth before spitting out
A mouthwash containing sage oil, peppermint oil, menthol, chamomile tincture, expressed juice from echinacea, myrrh tincture, clove oil, and caraway oil has been used successfully to treat gingivitis.

A mouthwash combination that includes sage oil, peppermint oil, menthol, chamomile tincture, expressed juice from echinacea, myrrh tincture, clove oil, and caraway oil has been used successfully to treat gingivitis. In cases of acute gum inflammation, 0.5 ml of the herbal mixture in half a glass of water three times daily is recommended by some herbalists. This herbal preparation should be swished slowly in the mouth before spitting out. To prevent recurrences, slightly less of the mixture can be used less frequently.

A toothpaste containing sage oil, peppermint oil, chamomile tincture, expressed juice from Echinacea purpurea, myrrh tincture, and rhatany tincture has been used to accompany this mouthwash in managing gingivitis.

Of the many herbs listed above, chamomile, echinacea, and myrrh should be priorities. These three herbs can provide anti-inflammatory and antimicrobial actions critical to successfully treating gingivitis.
2 Stars
Immune Function
3 to 5 ml of liquid extract three times per day
Studies have found that echinacea stimulates the function of a variety of immune cells, particularly natural killer cells. Taking it appears to speed recovery from the common cold.
In general, human studies have found that echinacea taken orally stimulates the function of a variety of immune cells, particularly natural killer cells. The balance of evidence currently available from studies suggests that echinacea speeds recovery from the common cold, via immune stimulation (as opposed to killing the cold virus directly). Evidence on preventing the common cold with echinacea is largely negative, suggesting its immune-stimulating activity may be mild in generally healthy people. Other studies on oral echinacea have not found that it stimulates activity of the white blood cells known as neutrophils. Many doctors recommend 3 to 5 ml of tincture three times per day for up to two weeks to improve immune function. Echinacea in capsule form is also commonly available.
2 Stars
Infection
3 to 5 ml of liquid herbal extracts every two hours, or 300 to 600 mg of powdered herb three times per day, or 5 to 6 cups of tea daily
Echinacea is both immune supportive and antimicrobial.

In general, human studies have found that echinacea taken orally stimulates the function of a variety of immune cells, particularly natural killer cells.
2 Stars
Influenza
3 to 5 ml of liquid formulas or 300 mg of powdered root supplements three times per day
Taking echinacea may help clear flu symptoms faster.

Echinacea has long been used for colds and flu. Double-blind trials in Germany have shown that infections associated with flu-like symptoms clear more rapidly when people take echinacea. Echinacea appears to work by stimulating the immune system. The usual recommended amount of echinacea is 3–5 ml of the expressed juice of the herb or tincture of the herb or root, or 300 mg of dried root powder three times per day.

Wild indigo contains polysaccharides and proteins that have been reported in test tube studies to stimulate the immune system. The immune-enhancing effect of wild indigo is consistent with its use in traditional herbal medicine to fight the flu. However, wild indigo is generally used in combination with other herbs such as echinacea, goldenseal, or thuja.
1 Star
Bronchitis
Refer to label instructions
Echinacea is an immune-stimulating herb that is widely used by herbalists for people with acute respiratory infections.

Antimicrobial and immune stimulating herbs may also potentially benefit people with bronchitis. Echinacea is widely used by herbalists for people with acute respiratory infections. This herb stimulates the immune system in several different ways, including enhancing macrophage function and increasing T-cell response. Therefore, echinacea may be useful for preventing a cold, flu, or viral bronchitis from progressing to a secondary bacterial infection.
1 Star
Canker Sores
Refer to label instructions
The antiviral, immune-enhancing, and wound-healing properties of echinacea may make this herb a reasonable choice for canker sores.

The antiviral, immune-enhancing, and wound-healing properties of echinacea may make this herb a reasonable choice for canker sores. Liquid echinacea in the amount of 4 ml can be swished in the mouth for two to three minutes, then swallowed. This procedure may be repeated three times per day. However, no research has investigated the possible effects of this treatment.
1 Star
Chronic Candidiasis
Refer to label instructions
The fresh-pressed juice of Echinacea purpurea has been shown to help prevent recurring yeast infections in one trial.

The fresh-pressed juice of Echinacea purpurea has been shown to be helpful in preventing recurrence of vaginal yeast infections in a double-blind trial; it may have similar benefit in Yeast Syndrome. The typical recommendation for this effect is 2 to 4 ml of fluid extract daily.
1 Star
Cold Sores
Refer to label instructions
In traditional herbal medicine, tinctures of various herbs including echinacea have been applied topically to herpes outbreaks in order to promote healing.

In traditional herbal medicine, tinctures of various herbs, including chaparral, St. John's wort, goldenseal, myrrh, and echinacea, have been applied topically to herpes outbreaks in order to promote healing.
1 Star
Ear Infections
Refer to label instructions
Children with recurrent ear infections may benefit from taking echinacea, as it has been reported to support healthy immune function.

Echinacea has been reported to support healthy short-term immune response. As a result, it has been suggested that some children with recurrent ear infections may benefit from 1–2 ml (depending on age) of echinacea tincture taken three times per day or more. Doctors who use echinacea suggest that supplementation be started as soon as symptoms start to appear and continued until a few days after they are gone. Nonetheless, research has not been done to determine whether echinacea supplementation either reduces symptoms or prevents recurrence of ear infections.
1 Star
Gingivitis
Refer to label instructions
Echinacea provides anti-inflammatory and antimicrobial actions critical to successfully treating gingivitis.

A mouthwash combination that includes sage oil, peppermint oil, menthol, chamomile tincture, expressed juice from echinacea, myrrh tincture, clove oil, and caraway oil has been used successfully to treat gingivitis. In cases of acute gum inflammation, 0.5 ml of the herbal mixture in half a glass of water three times daily is recommended by some herbalists. This herbal preparation should be swished slowly in the mouth before spitting out. To prevent recurrences, slightly less of the mixture can be used less frequently.

A toothpaste containing sage oil, peppermint oil, chamomile tincture, expressed juice from Echinacea purpurea, myrrh tincture, and rhatany tincture has been used to accompany this mouthwash in managing gingivitis.

Of the many herbs listed above, chamomile, echinacea, and myrrh should be priorities. These three herbs can provide anti-inflammatory and antimicrobial actions critical to successfully treating gingivitis.
1 Star
HIV and AIDS Support
Refer to label instructions
Supplementing with echinacea may increase immune activity against HIV.

A controversy has surrounded the use of echinacea in people infected with HIV. Test tube studies initially showed that echinacea's polysaccharides could increase levels of a substance that might stimulate HIV to spread. However, these results have not been shown to occur when echinacea is taken orally by humans. In fact, one double-blind trial found that Echinacea angustifolia root (1 gram three times per day by mouth) greatly increased immune activity against HIV, while placebo had no effect. Further studies are needed to determine the safety of using echinacea in HIV-positive people.
1 Star
Vaginitis
Refer to label instructions
Echinacea is antibacterial and known to improve resistance to infection.

Teas of goldenseal, barberry, and echinacea are also sometimes used to treat infectious vaginitis. Although all three plants are known to be antibacterial in the test tube, the effectiveness of these herbs against vaginal infections has not been tested in humans. The usual approach is to douche with one of these teas twice each day, using 1–2 tablespoons (15–30 grams) of herb per pint of water. One to two pints (500–1,000 ml) are usually enough for each douching session. Echinacea is also known to improve immune function in humans. In order to increase resistance against infection, many doctors recommend oral use of the tincture or alcohol-preserved fresh juice of echinacea (1 teaspoon (5 ml) three or more times per day)—during all types of infection—to improve resistance.
1 Star
Wound Healing
Refer to label instructions
Echinacea is used among European practitioners of herbal medicine to promote wound healing.

Echinacea is used among European practitioners of herbal medicine to promote wound healing and is approved by the German government for this use. Creams or ointments are applied several times a day to minor wounds.
1 Star
Yeast Infection
Refer to label instructions
Echinacea, which enhances immune function, has been used successfully to treat yeast infections.

Many doctors recommend that people with recurrent yeast infections take measures to support their immune system. Echinacea, which has the capacity to enhance immune function, is often used by people who suffer from recurrent infections. In one study, women who took echinacea experienced a 43% decline in the recurrence rate of yeast infections.

Traditional Use (May Not Be Supported by Scientific Studies)

Echinacea was used by Native Americans for a variety of conditions, including venomous bites and other external wounds. It was introduced into U.S. medical practice in 1887 and was touted for use in conditions ranging from colds to syphilis. Modern research started in the 1930s in Germany.

How It Works

Botanical names:
Echinacea angustifolia, Echinacea pallida, Echinacea purpurea

How It Works

Echinacea is thought to support the immune system by activating white blood cells.1 Three major groups of constituents may work together to increase the production and activity of white blood cells (lymphocytes and macrophages), including alkylamides/polyacetylenes, caffeic acid derivatives, and polysaccharides. More studies are needed to determine if and how echinacea stimulates the immune system in humans.

Echinacea may also increase production of interferon, an important part of the body's response to viral infections.2 Several double-blind studies have confirmed the benefit of echinacea for treating colds and flu.3, 4, 5, 6, 7 Recent studies have suggested that echinacea may not be effective for the prevention of colds and flu and should be reserved for use at the onset of these conditions.8, 9 In terms of other types of infections, research in Germany using injectable forms or an oral preparation of the herb along with a medicated cream (econazole nitrate) reduced the recurrence of vaginal yeast infections as compared to women given the cream alone.10

How to Use It

At the onset of a cold or flu, 3–4 ml of echinacea in a liquid preparation or 300 mg of a powdered form in capsule or tablet, can be taken every two hours for the first day of illness, then three times per day for a total of 7 to 10 days.11

Interactions

Botanical names:
Echinacea angustifolia, Echinacea pallida, Echinacea purpurea

Interactions with Supplements, Foods, & Other Compounds

At the time of writing, there were no well-known supplement or food interactions with this supplement.

Interactions with Medicines

Certain medicines interact with this supplement.

What Are Drug Interactions
Types of interactions:BeneficialAdverseCheck

Replenish Depleted Nutrients

  • none

Reduce Side Effects

  • none

Support Medicine

  • Econazole

    The combination of oral echinacea (Echinacea purpurea, Echinacea angustifolia) with a topical econazole nitrate cream reduced the recurrence of vaginal yeast infections in women compared to those using the cream alone.

Reduces Effectiveness

  • none

Potential Negative Interaction

  • none

Explanation Required

  • Abiraterone

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Acalabrutinib

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Ado-Trastuzumab Emtansine

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Aldesleukin

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Alemtuzumab

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Altretamine

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Amifostine Crystalline

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Anastrozole

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Arsenic Trioxide

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Asparaginase

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Axitinib

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Azacitidine

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • BCG Live

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Belinostat

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Bendamustine

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Bevacizumab

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Bexarotene

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Bicalutamide

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Bleomycin

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Bortezomib

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Bosutinib

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Brentuximab Vedotin

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Busulfan

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Cabazitaxel

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Cabozantinib

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Capecitabine

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Carboplatin

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Carfilzomib

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Carmustine

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Ceritinib

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Cetuximab

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Chlorambucil

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Cisplatin

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Cladribine

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Clofarabine

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Crizotinib

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Cromolyn

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Cyclophosphamide

    Echinacea (Echinacea purpurea, Echinacea angustifolia) is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Cytarabine

    Echinacea (Echinacea purpurea, Echinacea angustifolia) is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Cytarabine Liposome

    Echinacea (Echinacea purpurea, Echinacea angustifolia) is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Dabrafenib

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Dacarbazine

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Dactinomycin

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Dasatinib

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Daunorubicin

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Daunorubicin Liposome

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Decitabine

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Degarelix

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Denileukin Diftitox

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Dexrazoxane

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Docetaxel

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Doxorubicin

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Doxorubicin Liposomal

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Enzalutamide

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Epirubicin

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Eribulin

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Erlotinib

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Estramustine

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Etoposide

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Etoposide Phosphate

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Everolimus

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Exemestane

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Floxuridine

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Fludarabine

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Fluorouracil

    Echinacea (Echinacea purpurea, Echinacea angustifolia) is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Flutamide

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Fulvestrant

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Gefitinib

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Gemcitabine

    Echinacea (Echinacea purpurea, Echinacea angustifolia) is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Gemtuzumab Ozogamicin

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Goserelin

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Hydroxyurea

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Ibrutinib

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Idarubicin

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Ifosfamide

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Imatinib

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Inotuzumab Ozogamicin

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Interferon Alfa-2a

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Interferon Alfa-2B

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Ipilimumab

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Irinotecan

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Irinotecan Liposomal

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Ixabepilone

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Ixazomib

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Kit For Indium-111-Ibritumomab

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Kit For Yttrium-90-Ibritumomab

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Lapatinib

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Lenalidomide

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Lenvatinib

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Letrozole

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Leucovorin

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Leuprolide

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Leuprolide (3 Month)

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Leuprolide (4 Month)

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Leuprolide (6 Month)

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Levamisole

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Levoleucovorin Calcium

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Mechlorethamine

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Medroxyprogesterone

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Megestrol

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Melphalan

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Mercaptopurine

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Mesna

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Methotrexate

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Methoxsalen

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Midostaurin

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Mitomycin

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Mitotane

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Mitoxantrone

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Necitumumab

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Nelarabine

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Nilotinib

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Nilutamide

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Nintedanib

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Obinutuzumab

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Ofatumumab

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Oxaliplatin

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Paclitaxel

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Paclitaxel-Protein Bound

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Panitumumab

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Panobinostat

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Pazopanib

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Pegaspargase

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Peginterferon Alfa-2b

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Pemetrexed

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Pentostatin

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Pertuzumab

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Plicamycin

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Polifeprosan 20 with Carmustine

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Pomalidomide

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Ponatinib

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Pralatrexate

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Procarbazine

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Regorafenib

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Rituximab

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Rituximab-Hyaluronidase,Human

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Romidepsin

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Samarium Sm 153 Lexidronam

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Sipuleucel-T In Lr

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Sorafenib

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Sulfacetamide

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Sunitinib

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Tamoxifen

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Temozolomide

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Temsirolimus

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • TeniposIde

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Testolactone

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Thioguanine

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Thiotepa

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Topotecan

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Toremifene

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Trametinib

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Trastuzumab

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Tretinoin (Chemotherapy)

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Triptorelin Pamoate

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Uracil Mustard

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Valrubicin

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Vandetanib

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Vemurafenib

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Vinblastine

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Vincristine

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Vincristine Sulfate Liposomal

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

  • Vinorelbine

    Echinacea is a popular immune-boosting herb that has been investigated for use with chemotherapy. One study investigated the actions of cyclophosphamide, echinacea, and thymus gland extracts to treat advanced cancer patients. Although small and uncontrolled, this trial suggested that the combination modestly extended the life span of some patients with inoperable cancers. Signs of restoration of immune function were seen in these patients.

The Drug-Nutrient Interactions table may not include every possible interaction. Taking medicines with meals, on an empty stomach, or with alcohol may influence their effects. For details, refer to the manufacturers' package information as these are not covered in this table. If you take medications, always discuss the potential risks and benefits of adding a supplement with your doctor or pharmacist.

Side Effects

Botanical names:
Echinacea angustifolia, Echinacea pallida, Echinacea purpurea

Side Effects

Echinacea is rarely associated with side effects when taken orally.12 There is one case report of acute hepatitis occurring in a person taking echinacea, but a cause-and-effect relationship was not proven.13 According to the German Commission E monograph, people should not take echinacea if they have an autoimmune illness, such as lupus, or other progressive diseases, such as tuberculosis, multiple sclerosis, or HIV infection. However, the concern about echinacea use for those with autoimmune illness is not based on clinical research and some herbalists question the potential connection. Those who are allergic to flowers of the daisy family should not take echinacea. Cases of allergic responses to echinacea (e.g., wheezing, skin rash, diarrhea) have been reported in medical literature.14 In the first study to look at echinacea's possible effect on fetal development and pregnancy outcome, women taking echinacea during pregnancy were found to have no greater incidence of miscarriage or birth defects than women not taking the herb.15

Echinacea root contains approximately 20% inulin,16 a fiber widely distributed in fruits, vegetables, and plants. Inulin is classified as a food ingredient (not as an additive) and is considered safe to eat.17 In fact, inulin is a significant part of the daily diet of most of the world's population.18 However, there is a report of a 39-year-old man having a life-threatening allergic reaction after consuming high amounts of inulin from multiple sources.19 Allergy to inulin in this individual was confirmed by laboratory tests. Such sensitivities are exceedingly rare. Moreover, this man did not take echinacea. Nevertheless, people with a confirmed sensitivity to inulin should avoid echinacea.

References

1. See DM, Broumand N, Sahl L, Tilles JG. In vitro effects of echinacea and ginseng on natural killer and antibody-dependent cell cytotoxicity in healthy subjects and chronic fatigue syndrome or acquired immunodeficiency syndrome patients. Immunopharmacology 1997;35:229-35.

2. Leuttig B, Steinmuller C, Gifford GE, et al. Macrophage activation by the polysaccharide arabinogalactan isolated from plant cell cultures of Echinacea purpurea. J Natl Cancer Inst 1989;81:669-75.

3. Melchart D, Linde K, Worku F, et al. Immunomodulation with echinacea—a systematic review of controlled clinical trials. Phytomedicine 1994;1:245-54 [review].

4. Dorn M, Knick E, Lewith G. Placebo-controlled, double-blind study of Echinacea pallida redix in upper respiratory tract infections. Comp Ther Med 1997;5:40-2.

5. Hoheisel O, Sandberg M, Bertram S, et al. Echinacea shortens the course of the common cold: a double-blind, placebo-controlled clinical trial. Eur J Clin Res 1997;9:261-8.

6. Braunig B, Dorn M, Limburg E, et al. Echinacea purpurea radix for strengthening the immune response in flu-like infections. Z Phytother 1992;13:7-13 [in German].

7. Brikenborn RM, Shah DV, Degenring FH. Echinaforce® and other Echinacea fresh plant preparations in the treatment of the common cold. A randomized, placebo-controlled, double-blind clinical trial. Phytomedicine 1999;6:1-5.

8. Melchart D, Walther E, Linde K, et al. Echinacea root extracts for the prevention of upper respiratory tract infections: a double-blind, placebo-controlled randomized trial. Arch Fam Med 1998;7:541-5.

9. Grimm W, Mueller HH. A randomized controlled clinical trial of the effect of fluid extract of Echinacea purpurea on the incidence and severity of colds and respiratory infections. Am J Med 1999;106:138-43.

10. Coeugniet E, Kuhnast R. Recurrent candidiasis. Adjuvant immunotherapy with different formulations of Echinacea. Therapiwoche 1986;36:3352-8 [in German].

11. Brown DJ. Herbal Prescriptions for Better Health. Rocklin, CA: Prima Publishing, 1996, 63-8.

12. Blumenthal M, Busse WR, Goldberg A, et al. (eds). The Complete Commission E Monographs: Therapeutic Guide to Herbal Medicines. Boston, MA: Integrative Medicine Communications, 1998, 121-3.

13. Kocaman O, Hulagu S, Senturk O. Echinacea-induced severe acute hepatitis with features of cholestatic autoimmune hepatitis. Eur J Intern Med 2008;19:148 [Letter].

14. Mullins RJ. Echinacea-associated anaphylaxis. Med J Austral 1998;168:170-1.

15. Gallo M, Sarkar M, Au W, et al. Pregnancy outcome following gestational exposure to echinacea. Arch Intern Med 2000;160:3141-3.

16. Duke, JA. Handbook of Phytochemical Constituents of GRAS Herbs and Other Economic Plants. Boca Raton, FL: CRC Press, 1992.

17. Carabin IG, Flamm WG. Evaluation of safety of inulin and oligofructose as dietary fiber. Regul Toxicol Pharmacol 1999;30:268-82 [review].

18. Coussement PA. Inulin and oligofructose: safe intakes and legal status. J Nutr 1999;129:1412S-7S [review].

19. Gay-Crosier F, Schreiber G, Hauser C. Anaphylaxis from inulin in vegetables and processed food. N Engl J Med 2000;342:1372 [letter].

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