A class I calcium antagonist used for the treatment of mild to moderate hypertension, angina, and supraventricular
tachycardia. It is available as short-acting or modified-release tablets on prescription only.
Side effects: constipation is the most common side effect.
Precautions: verapamil should not be taken by people with low blood pressure, a slow heart rate, a history of heart
failure, or certain other heart conditions.
