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Table 2 ICHD-3 Diagnostic Criteria for Migraine

From: Debate: Are cluster headache and migraine distinct headache disorders?

Migraine without aura

A. At least five attacks fulfilling criteria B–D

B. Headache attacks lasting 4–72 hours (when untreated or unsuccessfully treated)

C. Headache has at least two of the following four characteristics:

1. Unilateral location

2. Pulsating quality

3. Moderate or severe pain intensity

4. Aggravation by or causing avoidance of routine physical activity (e.g. walking or climbing stairs)

D. During headache at least one of the following:

1. Nausea and/or vomiting

2. Photophobia and phonophobia

E. Not better accounted for by another ICHD-3 diagnosis.

Migraine with aura

A. At least two attacks fulfilling criteria B and C

B. One or more of the following fully reversible aura symptoms:

1. Visual

2. Sensory

3. Speech and/or language

4. Motor

5. Brainstem

6. Retinal

C. At least three of the following six characteristics:

1. At least one aura symptom spreads gradually over ≥5 minutes

2. Two or more aura symptoms occur in succession

3. Each individual aura symptom lasts 5–60 minutes

4. At least one aura symptom is unilateral

5. At least one aura symptom is positive

6. The aura is accompanied, or followed within 60 minutes, by headache

D. Not better accounted for by another ICHD-3 diagnosis.

Chronic migraine

A. Headache (migraine-like or tension-type-like) on ≥15 days/month for >3 months, and fulfilling criteria B and C

B. Occurring in a patient who has had at least five attacks fulfilling criteria B–D for migraine with- out aura and/or criteria B and C for migraine with aura

C. On ≥8 days/month for >3 months, fulfilling any of the following:

1. Criteria C and D for migraine without aura

2. Criteria B and C for migraine with aura

3. 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.