Verapamil s a calcium channel blocker drug used for the treatment of angina, elevated blood pressure, migraine, and supraventricular tachycardia. It is majorly used to prevent blood pressure. Migraine is experienced by over 6 million people in the world, having 16 or more migraines per month. Verapamil is not a primary medication for migraine prevention and treatment.
In the past, verapamil was used to treat series of headaches and prevent migraines. However, it is not approved by the food and drug administration (FDA), so it was referred to as an off-label treatment for them. Off-label means that a drug is used for another reason or dose than it was approved. This is a popular practice.