fesoterodine

Pronunciation: FES oh TER oh deen

Brand: Toviaz

Toviaz

slide 1 of 2, Toviaz,

4 mg, oval, blue, imprinted with FS

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Toviaz

slide 2 of 2, Toviaz,

8 mg, oval, blue, imprinted with FT

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What is the most important information I should know about fesoterodine?

Use only as directed. Tell your doctor if you use other medicines or have other medical conditions or allergies.

What is fesoterodine?

Fesoterodine is used in adults to treat overactive bladder with symptoms of urinary frequency, urgency, and incontinence.

Fesoterodine is also used to treat neurogenic detrusor overactivity in children at least 6 years old who weigh more than 55 pounds (25 kilograms).

Fesoterodine may also be used for purposes not listed in this medication guide.

What should I discuss with my healthcare provider before taking fesoterodine?

You should not use this medicine if you are allergic to fesoterodine or tolterodine, or if you have:

  • a blockage of the urinary tract (difficulty urinating);
  • a bladder obstruction or other urination problems;
  • a blockage in your stomach or intestines; or
  • untreated or uncontrolled narrow-angle glaucoma.

Tell your doctor if you have ever had:

  • glaucoma;
  • a stomach or intestinal disorder, including severe constipation;
  • liver or kidney disease; or
  • myasthenia gravis (may worsen while you are taking fesoterodine).

Tell your doctor if you are pregnant or breastfeeding.

Not approved for use by anyone younger than 6 years old or anyone who weighs less than 55 pounds.

How should I take fesoterodine?

Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Use the medicine exactly as directed.

Take fesoterodine with liquid, with or without food.

Swallow the tablet whole and do not crush, chew, or break it.

Your child's doctor may change your child's dose after the first week if:

  • the child weighs more than 77 pounds (35 kilograms); and
  • the child has severe kidney problems or is taking certain medicines.

Store at room temperature away from moisture and heat.

What happens if I miss a dose?

Skip the missed dose and use your next dose at the regular time. Do not use two doses at one time.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid while taking fesoterodine?

Fesoterodine can cause blurred vision, dizziness, and drowsiness. Avoid driving or hazardous activity until you know how this medicine will affect you. Your reactions could be impaired.

Avoid becoming overheated or dehydrated during exercise and in hot weather. Fesoterodine can decrease sweating and you may be more prone to heat stroke.

Avoid drinking alcohol or you could have increased drowsiness.

What are the possible side effects of fesoterodine?

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

  • severe stomach pain or constipation;
  • a weak stream of urine, or trouble emptying your bladder;
  • little or no urination; or
  • headache, dizziness, drowsiness.

Older adults may be more likely to have side effects such as dry mouth, constipation, upset stomach, increased urination, dizziness, or painful urination.

Common side effects may include:

  • painful urination;
  • blurred vision;
  • weight gain;
  • dry mouth; or
  • stomach pain, diarrhea, constipation.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What other drugs will affect fesoterodine?

Tell your doctor about all your current medicines. Many drugs can affect fesoterodine, especially:

  • other medicine to treat overactive bladder;
  • an antibiotic or antifungal medicine to treat infection;
  • antiviral medicine for HIV or hepatitis C;
  • bronchodilator asthma medication;
  • cold or allergy medicine (Benadryl and others);
  • cancer medicine;
  • glaucoma medicine;
  • medicine to treat Parkinson's disease; or
  • medicine to treat stomach problems, motion sickness, or irritable bowel syndrome.

This list is not complete and many other drugs may affect fesoterodine. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.

Where can I get more information?

Your pharmacist can provide more information about fesoterodine.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

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