title: Cyclical vomiting syndrome: diagnosis, causes and treatment.
abstract: Cyclical vomiting syndrome (CVS) is a disorder of unknown cause. Patients experience episodes of sudden violent vomiting that last from a few hours to a few days, which can occur several times a year. CVS affects children and adults yet despite numerous studies the cause of the condition is unknown. The aim of this article is to outline the current theories for the possible causes of CVS and to examine the various treatment options available.
authors.affiliation: Wirral University Teaching Hospital NHS Foundation Trust, Clatterbridge Hospital, Merseyside. michael.pritchard@whnt.nhs.uk
authors.forename: M J
authors.initials: MJ
authors.lastname: Pritchard
authors.forename: S
authors.initials: S
authors.lastname: O'Neill
mesh_terms: D006801:Humans; D010507:Periodicity; D013577:Syndrome; D014839:Vomiting / Q000175:diagnosis / Q000209:etiology / Q000628:therapy