Cyclic vomiting syndrome (Rome IV)

Cyclic vomiting syndrome causes stereotyped episodes of vomiting with wellness between. Always ask about cannabis use. The Rome IV criteria are summarised here in our own words, and are a guide to a positive diagnosis alongside appropriate investigation. See the Rome Foundation for the original criteria.

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Reference

Stanghellini V, Chan FK, Hasler WL, et al. Gastroduodenal disorders. Gastroenterology. 2016;150(6):1380-1392.