A Clinician's Guide to Diagnosing and Treating Cannabinoid Hyperemesis Syndrome

CHS is under-diagnosed, presents with cyclic vomiting and compulsive hot shower use, and often fails to respond to standard anti-nausea medications.

McFee, R B·Disease-a-month : DM·2024·Moderate EvidenceReview
RTHC-05537ReviewModerate Evidence2024RETHINKTHC RESEARCH DATABASErethinkthc.com/research

Quick Facts

Study Type
Review
Evidence
Moderate Evidence
Sample
Not reported

What This Study Found

CHS is characterized by cyclic, severe vomiting, compulsive hot showering, and chronic cannabis use history. Standard antiemetics may not fully work. Abstinence remains the most effective long-term approach.

Key Numbers

Ondansetron may not fully attenuate symptoms. Abstinence is most effective prevention.

How They Did This

Clinical review article aimed at helping clinicians identify and treat CHS.

Why This Research Matters

CHS is under-recognized, leading to repeated unnecessary ER visits and testing. Better recognition could reduce costs and patient suffering.

The Bigger Picture

As cannabis use shifts toward higher potency and frequency, CHS will likely become increasingly common.

What This Study Doesn't Tell Us

Narrative review. CHS pathophysiology incompletely understood. Treatment evidence from case reports mostly.

Questions This Raises

  • ?What minimum cannabis exposure triggers CHS?
  • ?Are some individuals genetically predisposed?

Trust & Context

Key Stat:
Standard antiemetics often fail for CHS; abstinence is the only effective long-term approach
Evidence Grade:
Clinical review drawing on limited but growing CHS literature.
Study Age:
Published in 2024.
Original Title:
Cannabinoid Hyperemesis Syndrome (CHS) - An emerging gastrointestinal disorder and clinical challenge.
Published In:
Disease-a-month : DM, 70(12), 101832 (2024)
Authors:
McFee, R B
Database ID:
RTHC-05537

Evidence Hierarchy

Meta-Analysis / Systematic Review
Randomized Controlled Trial
Cohort / Case-Control
Cross-Sectional / ObservationalSnapshot without intervening
This study
Case Report / Animal Study

Summarizes existing research on a topic.

What do these levels mean? →

Frequently Asked Questions

What is cannabinoid hyperemesis syndrome?

CHS causes severe cyclic vomiting in chronic cannabis users, often with compulsive hot showering. Standard anti-nausea drugs frequently fail.

How is CHS treated?

Various interventions help acutely, but complete cannabis abstinence is the only proven long-term prevention.

Read More on RethinkTHC

Cite This Study

RTHC-05537·https://rethinkthc.com/research/RTHC-05537

APA

McFee, R B. (2024). Cannabinoid Hyperemesis Syndrome (CHS) - An emerging gastrointestinal disorder and clinical challenge.. Disease-a-month : DM, 70(12), 101832. https://doi.org/10.1016/j.disamonth.2024.101832

MLA

McFee, R B. "Cannabinoid Hyperemesis Syndrome (CHS) - An emerging gastrointestinal disorder and clinical challenge.." Disease-a-month : DM, 2024. https://doi.org/10.1016/j.disamonth.2024.101832

RethinkTHC

RethinkTHC Research Database. "Cannabinoid Hyperemesis Syndrome (CHS) - An emerging gastroi..." RTHC-05537. Retrieved from https://rethinkthc.com/research/mcfee-2024-cannabinoid-hyperemesis-syndrome-chs

Access the Original Study

Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.

This study breakdown was produced by the RethinkTHC research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.