GI ToolsGastroenterology and hepatology

Cannabinoid hyperemesis syndrome (Rome IV)

Cannabinoid hyperemesis syndrome looks like cyclic vomiting syndrome but is caused by heavy, prolonged 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.

All of
Supportive (not required)

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Reference

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