Calcium Channel Blockers: Purpose

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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 also prescribe calcium channel blockers to treat panic attacks and bipolar disorder (manic depressive illness) and to prevent migraine headache.

— Deanna M. Swartout-Corbeil, R.N.