Cannabinoid Hyperemesis Syndrome CHS: Causes, Symptoms, Treatment

Cannabinoid Hyperemesis Syndrome CHS: Causes, Symptoms, Treatment

19 de septiembre de 2025
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Another theory suggests that cannabinoids accumulate in the brain and fatty tissues, leading to toxicity after years of use. This buildup could trigger the intense vomiting and nausea that define CHS, appearing suddenly after years without issues. No single test exists for CHS, and that’s a big reason so many cases get missed. Patients who downplay their cannabis use, or leave it out entirely, tend to get bounced through rounds of imaging, bloodwork and specialist referrals before anyone lands on the right diagnosis. Cedars-Sinai says what is chs weed the only real confirmation comes when a patient quits marijuana and the symptoms go away.

How common is CHS?

At NuView, we integrate expertise in behavioral therapy, mental health, and substance use treatment to create a customized recovery plan tailored to your unique needs. The major risk factor for cannabinoid hyperemesis syndrome is long-term cannabis use, especially over 10 years. It is also regular cannabis use, especially among those who use it at least once a week or more. The only treatments available to people with CHS are those that restore hydration and help control nausea and vomiting.

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However, many experts consider these treatments to be ineffective for managing nausea and vomiting in people with CHS. Many people with CHS go to their doctor or an emergency room (ER) for treatment. However, doctors may find it challenging to diagnose the syndrome because people tend not to report their use of marijuana. They also experience episodes of vomiting that return every few weeks or months. Another misconception is that CHS is a subtype of cyclic vomiting syndrome (CVS).

Health and Safety

CHS symptoms may lessen temporarily but usually return with continued cannabis use. The only way to prevent recurring symptoms is by quitting cannabis. Without quitting, symptoms are likely to persist or worsen over time. Certain people may be more sensitive to cannabinoids due to differences in metabolism and endocannabinoid function.

  • And a 2022 Canadian study found that ER visits for CHS-related problems had increased 13-fold between 2014 and 2021.
  • These genes impact the TRPV1 receptor, dopamine receptors, and the enzyme CYP2C9 (which is responsible for metabolising THC in the liver).

what is chs weed

Not everyone who uses cannabis will develop CHS, but understanding the risk, especially with prolonged high-THC us,e is essential. While cannabis is revered for its nausea-calming (antiemetic) properties, it’s paradoxical that it causes severe nausea and vomiting in certain people. Due to its widely known antiemetic properties, people who develop CHS will often increase the amount of cannabis they consume in hopes that it will cure the nausea, but it never helps.

  • Cannabinoid hyperemesis syndrome (CHS) is a condition marked by repeated episodes of severe nausea, vomiting, and abdominal pain linked to long-term marijuana use.
  • These supportive treatments can help people during the hyperemesis stage of the condition, but recovery depends on the person stopping their use of marijuana.
  • As more people consume cannabis worldwide, it is realistic to expect that the number of those afflicted will increase.

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So far, there is little to no evidence of CHS occurring without the patient having a history of heavy cannabis heroin addiction usage. The numbers indicate that developing CHS is very uncommon even among those who consume cannabis regularly. Since cannabinoid hyperemesis syndrome was discovered fairly recently, there is still a lot that researchers do not know about the condition.

what is chs weed

what is chs weed

The only definitive cure is to stop using the drug, as symptoms generally resolve during the recovery phase. Challenges arise because patients may be reluctant to stop marijuana use or are unaware that using this very drug is the cause of their symptoms, risking repeated cycles. Key symptoms include persistent nausea, repeated vomiting, and severe abdominal pain. These symptoms can occur in waves, making it hard to eat or stay hydrated. The intensity often leads individuals to seek medical care, where CHS may finally be diagnosed. In some cases, long-term cannabis addiction can heighten the risk of CHS and its complications.

  • Seth brings many years of professional experience working the front lines of addiction in both the government and privatized sectors.
  • The most effective management is to immediately stop using any form of Cannabis.
  • During the hyperemesis stage, doctors focus on preventing dehydration and stopping the symptoms of nausea and vomiting.
  • In one 2018 study, a group of researchers surveyed 2,127 U.S. adults between the ages of 18 and 49 at an emergency department in New York.
  • It goes to show how little we know about not only about the body, but also about the interaction between cannabis and cannabinoid receptors.

Cannabinoid Hyperemesis Syndrome, or CHS, comes from https://ecosoberhouse.com/ long-term, high-dose cannabis use and causes recurring episodes of severe nausea, abdominal pain and vomiting. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care.

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