Key Findings:  Cannabinoid hyperemesis syndrome (CHS) is a rare condition seen in chronic cannabis users, characterized by cyclical vomiting and gastrointestinal symptoms, often misdiagnosed due to its unclear etiology and lack of effective standard treatments, though symptom relief from hot showers is commonly reported, and its incidence appears to be rising with increased cannabis access globally.
Type of Study:  Meta-analysis
Study Result:  Negative
Research Location(s):  Australia
Year of Pub:  2024
Cannabinoids Studied:  Tetrahydrocannabinol (THC)
Phytocannabinoid Source:  Cannabis Flower derived
Chemotype:  Chemotype I
Citation:  Stjepanović D, et al. Rare but relevant: Cannabinoid hyperemesis syndrome. Addiction. 2025; 120:380-384. doi: 10.1111/add.16693
Authors:  Stjepanović D, Kirkman J, Hall W