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Verapamil is used to treat high blood pressure, control angina (chest pain) and treat certain heart disorders. It is also used for prevention of migraine headache.

How it works

Verapamil is a drug belonging to a class of drugs called as calcium-channel blockers. It works by relaxing the muscles of the heart and blood vessels.

Common side effects

Blurred vision, Bradycardia, Constipation, Dizziness, Fainting, Headache, Heartburn, Increased prolactin level in blood, Limb swelling, Loss of appetite, Skin rash


Expert advice

  • Consult your doctor before taking the medicine if you have liver or kidney disorders.
  • Do not drive or operate machines if you feel drowsy after taking verapamil.
  • Do not eat or drink products containing grapefruit juice along with verapamil, as grapefruit juice increases the effects of verapamil.
  • Verapamil controls high blood pressure, irregular heartbeats and angina but does not cure them. Hence, it is necessary to continue taking verapamil even if you feel well.
  • Do not stop taking verapamil without talking to your doctor.

Frequently asked questions


Q. Is verapamil safe?
Yes. Verapamil is relatively safe if taken in prescribed dose for prescribed duration as advised by your doctor.
Q. Can I take ibuprofen/aspirin/Benadryl/Tylenol with verapamil?
Verapamil can be taken with ibuprofen/aspirin/paracetamol (Tylenol) or diphenhydramine (Benadryl) if prescribed by your doctor.
Q. Does verapamil cause weight changes, heartburn or leg cramps?
No, Verapamil is not known to affect your weight. If you notice any weight changes, please consult your doctor.
Q. Does verapamil affect heart rate?
One of the side-effects of verapamil is slow heart rate. If you notice such symptoms, please consult your doctor.
Q. Is verapamil a beta blocker, statin, ant cholinergic, MOA inhibitor?
No. Verapamil is not a beta blocker, statin, MOA inhibitor or anticholinergic. It is a calcium channel blocker. However, both the classes of drugs are used for managing high blood pressure and abnormal heart beats (arrhythmia).
Q. Is verapamil used for migraine headaches?
Yes, verapamil can be useful for migraine headaches. But take verapamil only if it is prescribed to you by your doctor

Content on this page was last updated on 30 September, 2016, by Dr. Varun Gupta (MD Pharmacology)