Table 10.2-1. Features of migraine headaches

Frequency/duration

≥5 attacks with headache attacks lasting 4-72 hours (when untreated or treated unsuccessfully)

Characteristics (≥2 of 4)

Unilateral location, pulsating quality, moderate or severe pain intensity, aggravated by or leading to avoidance of physical activity

Associated symptoms (≥1 of 2)

≥1 of nausea/vomiting, photophobia, and phonophobia