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 |