User:Mr. Ibrahem/Verapamil

Verapamil, sold under various trade names, is a medication used for the treatment of high blood pressure, angina (chest pain from not enough blood flow to the heart), and supraventricular tachycardia. It may also be used for the prevention of migraines and cluster headaches. It is given by mouth or by injection into a vein.

Common side effects include headache, low blood pressure, nausea, and constipation. Other side effects include allergic reactions and muscle pains. It is not recommended in people with a slow heart rate or heart failure. It is believed to cause problems for the baby if used during pregnancy. It is in the non–dihydropyridine calcium channel blocker family of medications.

Verapamil was approved for medical use in the United States in 1981. It is on the World Health Organization's List of Essential Medicines. Verapamil is available as a generic medication. The wholesale cost in the developing world is about US$1.71–2.70 per month. In the United States a month of treatment costs $25–50. Long acting formulations exist. In 2017, it was the 145th most commonly prescribed medication in the United States, with more than four million prescriptions.