Calcium Channel Blocker Medicines

Calcium channel blocker medicines prevent calcium from entering muscle cells and blood vessels. This allows blood vessels to relax and widen so blood can flow more easily in the body.

Calcium channel blockers are used to treat heart conditions, including high blood pressure, angina caused by coronary artery disease, and fast or irregular heart rhythms. They are also used to treat severe headaches.

Is it an emergency?

If you or someone in your care has chest pains, difficulty breathing, or severe bleeding, it could be a life-threatening emergency. Call 9-1-1 or the local emergency number immediately.
If you are concerned about a possible poisoning or exposure to a toxic substance, call Poison Control now at 1-800-567-8911.

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