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Calcium Channel Blockers

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Calcium Channel Blockers are medicines that slow the movement of calcium into the cells of the heart and blood vessels. This, in turn, relaxes blood vessels, increases the supply of oxygen-rich blood to the heart, and reduces the heart's work load.



Purpose
Calcium Channel Blockers are used to treat high blood pressure, to correct abnormal heart rhythms, and to relieve the type of chest pain called Angina Pectoris. Physicians may prescribe some Calcium Channel Blockers to treat panic attacks and Bipolar Disorder (manic depressive illness) and to prevent migraine headache.

Description
Calcium Channel Blockers are available only with a physician's prescription and are sold in tablet, capsule, and injectable forms. Some commonly used calcium channel blockers are Amlopidine (Norvasc), Diltiazem (Cardizem), Isradipine (DynaCirc), Nifedipine (Adalat, Procardia), and Verapamil (Calan, Isoptin, Verelan).