Table 1 2004 International Headache Society classification of headache disorders: Criteria for pediatric migraine without aura11

A. ≥5 attacks fulfilling features B–D
B. Headache attack lasting 1 to 72 hours
C. Headache has at least 2 of the following 4 features:
    1. Either bilateral or unilateral (frontal/temporal) location
    2. Pulsating quality
    3. Moderate to severe intensity
    4. Aggravated by routine physical activities
D. At least 1 of the following accompanies headache:
    1. Nausea and/or vomiting
    2. Photophobia and phonophobia (may be inferred from their behavior)