This drug is a calcium channel blocker. Calcium is involved in blood vessel contraction and in controlling the electrical impulses within the heart. By blocking calcium, verapamil relaxes and widens blood vessels and can normalize heartbeats. Verapamil is used to treat chest pain (angina), high blood pressure or irregular heartbeats. Ask your doctor or pharmacist about possible problems related to use of short-acting calcium channel blockers.

This drug is a calcium channel blocker. Calcium is involved in blood vessel contraction and in controlling the electrical impulses within the heart. By blocking calcium, verapamil relaxes and widens blood vessels and can normalize heart rates. Verapamil is used to treat high blood pressure. OTHER USES: This medication may also be used for irregular heartbeats or chest pain (angina).