Verapamil is a calcium channel blocker. It slows the heart rate and relaxes the blood vessels, which lowers blood pressure and reduces the heart's workload.

What Verapamil Is Used For

  • High blood pressure
  • Angina (chest pain)
  • Abnormal fast heart rhythms such as atrial fibrillation and SVT
  • Prevention of cluster headaches, under specialist care

Common Side Effects

  • Constipation
  • Dizziness
  • Headache
  • Swollen ankles
  • Slow heartbeat

Precautions

Do not take verapamil with beta-blockers unless your doctor has advised it. Avoid grapefruit juice. Tell your doctor if you have heart failure, a slow heart rate or liver problems. Verapamil interacts with many medicines, including some statins, so share your full medicine list.

This page is general information only. It is not a substitute for advice from your doctor or pharmacist, and it does not include dosage. Always follow the directions given to you and read the leaflet inside the pack.

Medicines Containing Verapamil