People with suspected cannabinoid hyperemesis syndrome remain skeptical about the diagnosis

Interviews with 24 chronic cannabis users with cyclic vomiting found many remained uncertain that cannabis caused their symptoms, and felt clinical recommendations to simply quit failed to address the complexity of stopping.

Collins, Alexandra B et al.·Drug and alcohol dependence·2023·Preliminary EvidenceQualitative Study
RTHC-04469QualitativePreliminary Evidence2023RETHINKTHC RESEARCH DATABASErethinkthc.com/research

Quick Facts

Study Type
Qualitative Study
Evidence
Preliminary Evidence
Sample
N=24

What This Study Found

Twenty-four participants with chronic cannabis use and cyclic vomiting attributed their symptoms to food, alcohol, stress, and GI issues rather than cannabis. Many relied on at-home internet research to understand their condition. Clinical treatment focused on cannabis cessation, but patients felt this failed to acknowledge the difficulty of quitting and the therapeutic benefits they perceived from cannabis.

Key Numbers

24 participants interviewed; recruited from Rhode Island ED prospective cohort; many attributed symptoms to food, alcohol, stress rather than cannabis

How They Did This

Semi-structured interviews with 24 participants recruited from a prospective cohort of patients presenting to Rhode Island emergency departments with cyclic vomiting and chronic cannabis use. Thematic analysis using NVivo.

Why This Research Matters

CHS diagnosis requires accepting that a substance many use for nausea relief is actually causing nausea. Understanding patient skepticism can help clinicians communicate more effectively and develop support strategies beyond simple cessation advice.

The Bigger Picture

The disconnect between clinical understanding of CHS and patient experience highlights the need for patient-centered approaches that acknowledge the complexity of chronic cannabis use while providing evidence about the condition.

What This Study Doesn't Tell Us

Small qualitative sample from one state. Participants may not have had confirmed CHS (diagnosis was clinical). Self-selection may have favored those more willing to discuss cannabis use.

Questions This Raises

  • ?Would gradual dose reduction instead of cessation be acceptable to CHS patients?
  • ?Are there biomarkers that could help patients accept the cannabis-symptom connection?

Trust & Context

Key Stat:
Many patients attributed vomiting to food, stress, or GI issues rather than cannabis
Evidence Grade:
Qualitative study with thematic analysis providing patient perspective, but small single-site sample with unconfirmed CHS diagnoses.
Study Age:
Published 2023
Original Title:
"I still partly think this is bullshit": A qualitative analysis of cannabinoid hyperemesis syndrome perceptions among people with chronic cannabis use and cyclic vomiting.
Published In:
Drug and alcohol dependence, 246, 109853 (2023)
Database ID:
RTHC-04469

Evidence Hierarchy

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

Uses interviews or focus groups to understand experiences in depth.

What do these levels mean? →

Frequently Asked Questions

Do people with CHS believe cannabis is causing their symptoms?

Many do not. In this study, participants with chronic cannabis use and cyclic vomiting often attributed symptoms to food, alcohol, stress, or GI issues, and remained uncertain about the cannabis connection.

Why is quitting cannabis hard for CHS patients?

Patients reported that cessation recommendations failed to consider the chronicity of their use, the therapeutic benefits they perceived (like anxiety relief), and the challenge of stopping a deeply embedded habit.

Read More on RethinkTHC

Cite This Study

RTHC-04469·https://rethinkthc.com/research/RTHC-04469

APA

Collins, Alexandra B; Beaudoin, Francesca L; Metrik, Jane; Wightman, Rachel S. (2023). "I still partly think this is bullshit": A qualitative analysis of cannabinoid hyperemesis syndrome perceptions among people with chronic cannabis use and cyclic vomiting.. Drug and alcohol dependence, 246, 109853. https://doi.org/10.1016/j.drugalcdep.2023.109853

MLA

Collins, Alexandra B, et al. ""I still partly think this is bullshit": A qualitative analysis of cannabinoid hyperemesis syndrome perceptions among people with chronic cannabis use and cyclic vomiting.." Drug and alcohol dependence, 2023. https://doi.org/10.1016/j.drugalcdep.2023.109853

RethinkTHC

RethinkTHC Research Database. ""I still partly think this is bullshit": A qualitative analy..." RTHC-04469. Retrieved from https://rethinkthc.com/research/collins-2023-i-still-partly-think

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.