GENERIC NAME: VERAPAMIL EXTENDED-RELEASE - ORAL (ver-AP-a-mil)
BRAND NAME(S): Calan SR, Isoptin SR
USES: Verapamil is used with or without other medications to treat high blood pressure (hypertension). Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. Verapamil is called a calcium channel blocker. It works by relaxing blood vessels so blood can flow more easily. It may also lower the heart rate.OTHER This section contains uses of this drug that are not listed in the approved professional labeling for the drug but that may be prescribed by your health care professional. Use this drug for a condition that is listed in this section only if it has been so prescribed by your health care professional.This drug may also be used to treat other heart diseases (such as hypertrophic cardiomyopathy, fast/irregular heartbeats) and to prevent chest pain (angina).
HOW TO USE: Take this medication by mouth with food, usually once daily in the morning or every 12 hours or as directed by your doctor.Do not crush or chew extended-release tablets. Doing so can release all of the drug at once, increasing the risk of side effects. Also, do not split the tablets unless they have a score line and your doctor or pharmacist tells you to do so. Swallow the whole or split tablet without crushing or chewing.The dosage is based on your medical condition and response to treatment.Use this medication regularly to get the most benefit from it. To help you remember, take it at the same time(s) each day.For the treatment of high blood pressure, it may take a week before you get the full benefit of this drug. It is important to continue taking this medication even if you feel well. Most people with high blood pressure do not feel sick.Do not suddenly stop taking this medication without consulting your doctor. Your condition may become worse when the drug is suddenly stopped. Your dose may need to be gradually decreased.Tell your doctor if your condition does not improve or if it worsens (for example, your routine blood pressure readings remain high or increase).
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