Vomiting and retching in Gilles de la Tourette syndrome: a report of ten cases and a review of the literature.

Retching and vomiting are common symptoms in childhood. We describe the cases of 10 patients with Gilles de la Tourette syndrome (GTS) for whom vomiting or retching tics were part of the clinical picture, and discuss other instances where retching and vomiting occur with neuropsychiatric or movement disorders.