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Table 5 Definition (Rome IV Criteria) of cannabinoid hyperemesis syndromea

From: The emergency department care of the cannabis and synthetic cannabinoid patient: a narrative review

Starts after excessive and lengthy usage of cannabis for at least 6 months prior to diagnosisb
- Must have recurrent vomiting (similar onset, duration and frequency) that appears like cyclic vomiting syndrome for at least 3 months
- Resolution of vomiting after cannabis use stopped
- All criteria must be met for the last 3 months
  1. aTable adapted from Stanghellini V, Chan FK, Hasler WL, et al. Gastroduodenal disorders. Gastroenterology. 2016;150:1380–1392
  2. bMight have pathological related bathing behavior