Should You Take Verapamil for Migraine Prevention?
Verapamil is a prescription medication available under the brand name Verelan and as a generic drug. Verapamil is a calcium channel blocker that is FDA-approved to treat hypertension (high blood pressure. )It may cause side effects such as dizziness, nausea, and constipation. Terry Vine / Getty Images This in turn improves blood flow, lowering blood pressure. Migraine headaches are because of abnormal brain activity, which affects blood flow in the brain and surrounding tissues....