CYCLICAL VOMITING SYNDROME

Cyclical vomiting syndrome is an uncommon, disabling symptom complex o f unknown cause, with features in common with migraine. It affects pri ncipally children and adolescents, Differential diagnosis and theories of pathogenesis are discussed. Therapy should be aimed at prophylaxis of vomiting bouts, 'switching off' episodes once they commence and pr eventing complications of established vomiting episodes. Families need rapid access to care to minimize morbidity and disruption to function ing.