Emergency Rooms Reported Rising Cannabinoid Syndrome Cases
Frequent marijuana users may face severe nausea and digestive pain, with ER visits for the condition increasing.
Updated on Sept. 21, 2026 in Substance Abuse
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Emergency rooms have recorded a sharp increase in cases of Cannabinoid Hyperemesis Syndrome, a condition characterized by intense nausea, vomiting, and digestive pain. Research suggests this rise follows broader marijuana legalization and the prevalence of higher-potency products.
Why it matters
The rise in cases reflects a lack of public and medical awareness regarding the health risks associated with frequent, high-potency cannabis use. Understanding these symptoms is critical as experts expect the frequency of ER visits to continue climbing.
CDC data confirms that cases of Cannabinoid Hyperemesis Syndrome have increased sharply. Current surveillance shows that one-third of frequent marijuana users who seek emergency care meet the diagnostic criteria for the condition.
The players
Centers for Disease Control and Prevention
The national public health agency that monitors disease trends and provides health data, including the reported increase in syndrome cases.
Marlon Crumedy
The founder of The CHS Truth Project who provides public education on the syndrome after experiencing it since the 1990s.
The details
Cannabinoid Hyperemesis Syndrome causes severe digestive distress, including persistent vomiting and abdominal pain. While patients often find temporary relief from symptoms through hot baths or showers, there is currently no medical cure for the condition. The only effective strategy to stop the progression of the syndrome is for patients to completely cease their use of marijuana.
Timeline
1990s: Marlon Crumedy first experienced symptoms of the syndrome.
Late 2025: Marlon Crumedy stopped using marijuana to manage his condition.
Health Landscape
This trend highlights an urgent shift in medical awareness as emergency rooms adapt to a condition once poorly understood by the public. The increase in presentations mirrors the rapid growth in state-level marijuana legalization and the proliferation of high-potency products.
If you are a frequent user of marijuana and experience persistent, unexplained digestive pain or vomiting, it is worth discussing these symptoms with your doctor. Being transparent about your cannabis use is necessary for clinicians to accurately assess whether you are at risk.
The takeaway
Cannabinoid Hyperemesis Syndrome is a serious condition with no known cure other than stopping marijuana use entirely. If you or someone you know experiences these symptoms, seek guidance from a medical professional and avoid relying on hot baths as a long-term substitute for clinical care.
Further reading
For more information on the health impacts of cannabis, visit our Substance Abuse section.
Source note: This article includes information reported by News 5 Cleveland WEWS.
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