Description: |
Headache occurring on 15 or more days per month for more than three months, which has the features of migraine headache on at least eight days per month. |
Diagnostic criteria: |
A. Headache (tension-type-like and/or migraine-like) on 15 or more days per month for more than three months and fulfilling criteria B and C |
B. Occurring in a patient who has had at least five attacks fulfilling the following criteria for migraine without aura (B1) and/or migraine with aura (B2) |
B1. Migraine without aura: |
B1a. Headache attacks lasting 4 to 72 hours (untreated or unsuccessfully treated) |
B1b. Headache has at least two of the following characteristics: |
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B1c. During headache at least one of the following: |
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B2. Migraine with aura: |
B2a. One or more of the following fully reversible aura symptoms: |
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B2b. At least two of the following characteristics: |
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C. On eight days or more per month for more than three months, fulfilling any of the following: |
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D. Not better accounted for by another ICHD-3 diagnosis |
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