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To describe the frequency of postdrome symptoms among patients with migraine, researchers recruited 120 patients from four centers who endorsed having nonheadache symptoms with their attacks. Participants completed daily electronic symptom diaries for 3 months. The electronic diaries alarmed randomly once daily during waking hours to survey patients about their symptoms before, during, and after migraine headache. The postdrome phase was defined as “the time between headache resolution and feeling completely back to normal.” Participants had to provide data on at least three migraine attacks during the study period. The study was funded by a manufacturer of medications used to treat migraine.
Ninety-seven patients were included; 873 migraine…