How are migraine variants (equivalents) classified?

Updated: Oct 16, 2019
  • Author: Rima M Dafer, MD, MPH, FAHA; Chief Editor: Helmi L Lutsep, MD  more...
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Migraine variants defined by the International Classification of Headache Disorders, Third Edition (ICHD-3), including the following: [2]

  • Hemiplegic migraine

  • Retinal migraine

  • Chronic migraine

  • Episodic syndromes that may be associated with migraine

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