What is migraine headache?

Updated: Oct 01, 2021
  • Author: Jasvinder Chawla, MD, MBA; Chief Editor: Helmi L Lutsep, MD  more...
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Migraine headache is a complex, recurrent headache disorder that is one of the most common complaints in medicine. In the United States, more than 30 million people have 1 or more migraine headaches per year. Approximately 75% of all persons who experience migraines are women (see Epidemiology).

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