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Beta-blockers are used to lower blood pressure, treat heart failure and heart rhythm problems, and relieve angina symptoms, such as chest pain or pressure. And they may decrease the chance of a second heart attack in someone who has already had a heart attack. They also slow the heart rate and reduce strain on the heart muscle and blood vessels.
Most people do not have any side effects from beta-blockers. In rare cases, they can make asthma worse or make you feel tired. In some people, heart rate or blood pressure can drop too low. You may feel light-headed. This may happen if you stand up quickly. It usually gets better with time.
Before you start to take this medicine, make sure your doctor knows if you have severe asthma or frequent asthma attacks.
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 or nurse advice line (811 in most provinces and territories) 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.
Watch closely for changes in your health, and be sure to contact your doctor or nurse advice line if:
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Current as of: September 7, 2022
Author: Healthwise Staff
Medical Review:Adam Husney MD - Family Medicine & Martin J. Gabica MD - Family Medicine & E. Gregory Thompson MD - Internal Medicine
Care instructions adapted under license by your healthcare professional. If you have questions about a medical condition or this instruction, always ask your healthcare professional. Healthwise, Incorporated disclaims any warranty or liability for your use of this information.
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