Font Size
A
A
A

Definition of Vascular headache

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.

Source: MedTerms™ Medical Dictionary
http://www.medicinenet.com/script/main/art.asp?articlekey=5962
Last Editorial Review: 8/28/2013

Medical Dictionary Definitions A - Z

Search Medical Dictionary



NIH talks about Ebola on WebMD


Medical Dictionary