Table 1 Proposed criteria for migraine in children age 5 years and younger

A. At least five headache attacks fulfilling the criteria from B to D

B. The headache lasts for 30 min or longer (untreated or treated)

C. The headache has at least one of the following characteristics:

 1. Pain of at least moderate severity

 2. Unilateral or bilateral headache

 3. Throbbing or pounding nature of pain,

 4. Exertion intolerance; avoidance of walking or playing;

D. The headache is associated with at least one of the following:

 1. Loss of appetite, stomach discomfort or dizziness

 2. Sensitivity to light and sounds as indicated by inability to watch TV or play on the computer or on electronic games

 3. Having one cranial autonomic symptom associated with headache attacks

E. Not better accounted for by other diagnoses