1. Meets the following criteria for migraine headache without aura: Previously diagnosed with a history of migraine headaches; Headache has at least two (2) of the following characteristics: Unilateral location; Pulsating quality; Moderate or severe pain intensity; Aggravation by routine physical activity such as walking or climbing stairs; During headache, has at least one of the following characteristics: Nausea and/or vomiting; Photophobia and/or phonophobia;Not attributable to another disorder