1. At least two headache attacks by history, consistent with criteria 2-7.
2. No other disease present that might cause headache or neurological/visual changes.
3. Fully reversible visual or sensory or speech symptoms, and no motor weakness.
4. Unilateral headache location.
5. At least one symptom that develops gradually (>5 minutes) or a variety of symptoms occurring in a sequence.
6. Various symptoms lasting between 5 and 60 minutes.
7. Headache also meets criteria for migraine without aura, beginning within 0-60 minutes of aura.
Adapted with permission from Headache Classification Subcommittee of the International Headache Society. The International Classification of Headache Disorders, 2nd ed. Cephalalgia 2004;24:S9-S60, and from Blackwell Publishing.
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