What is chronic migraine?

Also known as: chronic daily headache

Chronic migraine describes headache which is occurring on 15 or more days per month, of which at least 8 of the headache days have features of migraine, for at least 3 months.

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Reviewed by: Dr. Suzanne Esther Hagler, MD

This page was last updated on: 1/29/2019 3:21:13 PM