Background No study dedicated to postdrome symptoms of migraine attacks is available in children and adolescents. Objective To study the resolution phase of the migraine attack in children and adolescents. Methods 100 children and adolescents with ICHD-3 beta migraine without and/or with typical aura were included. Each patient, and one of her/his parents, were interviewed by phone about the postdrome phrase of their last six months' migraine attacks. They were specifically instructed to distinguish symptoms that had begun before and went on after migraine headache cessation (referred to as persistent symptoms), and symptoms whose onset was strictly after headache cessation (referred to as true postdromes). Results 91% of patients reported persistent symptoms, with a mean of 2.9 and a median of 2; asthenia, cognitive difficulties, pallor, cognitive slowing, anorexia, somnolence, and nausea were the most frequently reported. They lasted less than 12 h in 71% of patients. True postdromes were reported by 82% of patients, with a mean of 2.6 and a median of 2; thirst, somnolence, visual disturbances, food craving, paraesthesias, and ocular pain being the most frequently reported. They lasted less than 12 h in 94% of patients. Conclusions This study showed that children and adolescents with migraine had both frequent persistent symptoms and true postdromes. Both were notably different from those reported in adults.

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