Haloperidol and topical capsaicin ointment were proposed as therapeutic approaches for cannabinoid hyperemesis syndrome, a condition of cyclic vomiting triggered by chronic cannabis use.
What the researchers found
This brief communication discussed treatment options for cannabinoid hyperemesis syndrome (CHS), a condition characterized by severe cyclic vomiting in people who use cannabis heavily over long periods.
The authors highlighted two treatments that had shown promise: haloperidol, an antipsychotic medication, and topical capsaicin ointment applied to the abdomen. Traditional antiemetic medications often fail to control CHS symptoms, making alternative approaches clinically important.
The suggestion of capsaicin is notable because CHS patients characteristically find relief from hot showers and baths, and capsaicin activates the same TRPV1 heat receptors that hot water stimulates.
Why it matters
CHS is frequently misdiagnosed and resistant to standard antiemetic therapy, leading to repeated emergency department visits and extensive workups. Identifying effective treatments like haloperidol and capsaicin could reduce patient suffering and healthcare utilization for a condition that was only recently recognized.
The numbers in context
Two treatments were highlighted: haloperidol (systemic) and capsaicin ointment (topical, applied to the abdomen).
How the study worked
This was a published letter or short communication rather than a formal study. The authors reviewed emerging case reports and clinical observations regarding haloperidol and capsaicin as treatments for cannabinoid hyperemesis syndrome.
What this study cannot tell us
This was a letter rather than a clinical trial. Evidence for both treatments was based on case reports and small series rather than randomized controlled data. Optimal dosing, treatment duration, and long-term effectiveness were not established.
How to read the evidence
A brief clinical letter based on case-level evidence, providing preliminary treatment suggestions that require formal clinical trial validation.
The bigger picture
As cannabis use has increased with legalization, CHS has become a more commonly recognized emergency department presentation. The treatments discussed here, particularly topical capsaicin, have since become part of standard emergency medicine approaches to CHS, representing a practical advance from this early clinical observation.
Common questions
Why does capsaicin cream help with cannabis vomiting syndrome?
Why don't regular anti-nausea medications work for CHS?
Read the original research
Perspectives in the treatment for cannabinoid hyperemesis syndrome.
Adicciones, 29(2), 134-135
Citation
Burillo-Putze, Guillermo; Llorens, Pere. (2017). Perspectives in the treatment for cannabinoid hyperemesis syndrome.. Adicciones, 29(2), 134-135. https://doi.org/10.20882/adicciones.875