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Home > Healthy Living > Health Library > Beta-Blockers for High Blood Pressure
Beta-blockers lower the heart rate, the
amount of blood the heart pumps out, and the force of the heartbeat, all of
which lower blood pressure.
Beta-blockers are widely used for
high blood pressure, either alone or combined with
other medicines including diuretics, ACE inhibitors, or calcium channel
blockers. These medicines may be especially useful in people who also have
angina or heart failure, or who have had a
heart attack.footnote 1
Beta-blockers lower blood pressure.footnote 1
Lowering blood pressure helps to lower the risk of heart disease, heart attack,
All medicines have side effects. But many people don't feel the side effects, or they are able to deal with them. Ask your pharmacist about the side effects of each medicine you take. Side effects are also listed in the information that comes with your medicine.
Here are some important things to think about:
Call 911 or other emergency services right away if you have:
Call your doctor right away if you have:
Common side effects of this medicine include:
See Drug Reference for a full
list of side effects. (Drug Reference is not available in all systems.)
Check your pulse. Your doctor may ask you to take your pulse regularly to make sure your heart rate is not too slow. To learn how to take your pulse, see the topic Taking a Pulse (Heart Rate).
Diabetes. If you have diabetes, beta-blockers may cause higher blood sugar levels. Watch closely for symptoms of low blood sugar, because beta-blockers can hide your symptoms.
Grapefruit juice. Grapefruit juice may affect how beta-blockers work. Ask your doctor if you need to make any changes to avoid problems.
For more information, see Grapefruit Juice and Medicines.
Cold weather. Beta-blockers may make you more sensitive to cold weather. Dress warmly and if needed, limit your time in cold weather.
Sun exposure. Beta-blockers may make you more sensitive to sunlight. You might get sunburned easily or get a rash. To prevent problems, try using sunblock and/or wearing long-sleeved shirts and hats.
Allergic reactions. If you have food, medicine, or insect-sting allergies, beta-blockers may cause allergic reactions to be worse and harder to treat. If you have a severe allergic reaction, tell your doctor that you are taking a beta-blocker.
For tips on taking blood pressure medicine, see:
Medicine is one of the many tools your doctor has to treat a health problem. Taking medicine as your doctor suggests will improve your health and may prevent future problems. If you don't take your medicines properly, you may be putting your health (and perhaps your life) at risk.
There are many reasons why people have trouble taking their medicine. But in most cases, there is something you can do. For suggestions on how to work around common problems, see the topic Taking Medicines as Prescribed.
If you are pregnant, breastfeeding, or planning to get pregnant, do not use any medicines unless your doctor tells you to. Some medicines can harm your baby. This includes prescription and over-the-counter medicines, vitamins, herbs, and supplements. And make sure that all your doctors know that you are pregnant, breastfeeding, or planning to get pregnant.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.
Complete the new medication information form (PDF)( What is a PDF document? ) to help you understand this medication.
Drugs for hypertension (2012). Treatment Guidelines From The Medical Letter, 10(113): 1–10.
Current as ofJuly 22, 2018
Author: Healthwise StaffMedical Review: E. Gregory Thompson, MD - Internal MedicineMartin J. Gabica, MD - Family MedicineRobert A. Kloner, MD, PhD - Cardiology
Current as of:
July 22, 2018
Medical Review:E. Gregory Thompson, MD - Internal Medicine & Martin J. Gabica, MD - Family Medicine & Robert A. Kloner, MD, PhD - Cardiology
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