Calcium channel blocker medicines

Skip Navigation

Calcium channel blockers can lower blood pressure or slow the heart rate. They might be used to treat high blood pressure, angina caused by coronary artery disease, and fast or irregular heart rhythms. They may be used to prevent migraine or cluster headaches.




The Health Encyclopedia contains general health information. Not all treatments or services described are covered benefits for Kaiser Permanente members or offered as services by Kaiser Permanente. For a list of covered benefits, please refer to your Evidence of Coverage or Summary Plan Description. For recommended treatments, please consult with your health care provider.