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: |
- Unilateral location
- Pulsating quality
- Moderate or severe pain intensity
- Aggravation by or causing avoidance of routine physical activity (eg, walking or climbing stairs)
|
B1c. During headache at least one of the following: |
- Nausea and/or vomiting
- Photophobia and phonophobia
|
B2. Migraine with aura: |
B2a. One or more of the following fully reversible aura symptoms: |
- Visual
- Sensory
- Speech and/or language
- Motor
- Brainstem
- Retinal
|
B2b. At least two of the following characteristics: |
- At least one aura symptom spreads gradually over ≥5 minutes
- Two or more aura symptoms occur in succession
- Each individual aura symptom lasts 5 to 60 minutes
- At least one aura symptom is unilateral
- At least one aura symptom is positive
- The aura is accompanied, or followed within 60 minutes, by headache
|
C. On eight days or more per month for more than three months, fulfilling any of the following: |
- Criteria B1b and B1c for migraine without aura
- Criteria B2a and B2b for migraine with aura
- Believed by the patient to be migraine at onset and relieved by a triptan or ergot derivative
|
D. Not better accounted for by another ICHD-3 diagnosis |