Overview
Migraine is the most common vascular headache. Vascular headaches are caused by blood vessel abnormalities, which by turn constrict and open blood vessels in the head.
Review Date 1/31/2021
Updated by: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.