Definition of Vascular headache

1. A Visual Guide to Migraine Headaches Slideshow Pictures
2. Headache and Migraine Triggers Slideshow Pictures
3. Take the Migraines Quiz

Vascular headache: A group of headaches felt to involve abnormal sensitivity of the blood vessels (arteries) in the brain to various triggers which results in rapid changes in the artery size due to spasm (constriction). Other arteries in the brain and scalp then open (dilate), and throbbing pain is perceived in the head. Migraine headaches are the most common type of vascular headache.