A vascular headache is a headache where blood vessel swelling or disturbance causes the pain.
Vascular headaches include:
The most common type of vascular headache is migraine. Migraine headaches are usually characterized by severe pain on one or both sides of the head, an upset stomach, and, at times, disturbed vision. It is more common in women. After migraine, the most common type of vascular headache is the "toxic" headache produced by fever.
Other kinds of vascular headaches include cluster headaches, which cause repeated episodes of intense pain, and headaches resulting from high blood pressure (rare).
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