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Chronic nausea and vomiting syndrome (Rome IV)

Chronic nausea and vomiting syndrome combines the older diagnoses of chronic idiopathic nausea and functional vomiting. 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.