Headache occurring on 15 or more days per month for more than three months, which, on at least 8 days per month, has the features of migraine headache.

Diagnostic criteria:

A. Headache (tension-type-like and/or migraine-like) on ≥15 days per month for >3 months and fulfilling criteria B and C
B. Occurring in a patient who has had at least five attacks fulfilling criteria for Migraine without aura and/or criteria for Migraine with aura
C. On ≥8 days per month for >3 months, fulfilling any of the following:

  1. criteria Migraine without aura
  2. criteria Migraine with aura
  3. believed by the patient to be migraine at onset and relieved by a triptan or ergot derivative


Headache Classification Committee of the International Headache Society (IHS) (2013). The International Classification of Headache Disorders, 3rd edition (beta version). Cephalalgia 2013; 33: 9-807.

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