What is Cannabinoid Hyperemesis Syndrome (CHS)?

Tony Renello MBA MS LIAC CPHQ

Arizona Regional Executive Director

Tony Renello is a seasoned behavioral health executive with over 14 years of progressive leadership experience in the mental health and substance use treatment field. He has a demonstrated track record of developing, scaling, and optimizing treatment centers from the ground up, spanning the full continuum of care, including detoxification, residential, and outpatient services. Tony brings extensive expertise in regulatory compliance and accreditation, consistently leading organizations to achieve and sustain the highest industry standards, including The Joint Commission (JCAHO) and Commission on Accreditation of Rehabilitation Facilities (CARF). His leadership is defined by a commitment to operational excellence, high-quality patient care, and long-term compliance within complex healthcare environments. He began his career as a floor support specialist, where he quickly recognized his passion for behavioral health and committed to continuous professional and academic advancement. Tony earned a Master’s degree in Psychology with a concentration in Clinical and Counseling Psychology from Capella University, in addition to an MBA in Healthcare Management. He is a Licensed Independent Addictions Counselor (LIAC) through the Arizona Board of Behavioral Health Examiners. Throughout his career, Tony has held a range of senior leadership roles, including Program Manager and Chief Clinical & Compliance Officer. He is widely recognized for implementing evidence-based practices and driving innovative, patient-centered programming that improves clinical outcomes and strengthens organizational performance. In addition to his executive leadership, Tony has served as Vice President of the Arizona Board for Certification of Addiction Counselors since 2019, supporting the advancement of professional standards and workforce development within the field. He also serves as a committee member for the Addiction Recovery Academic Review Committee, contributing to the ongoing development and oversight of behavioral health education and certification standards.
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Key Takeaways

  • Cannabinoid Hyperemesis Syndrome (CHS) is linked to long-term cannabis use.
  • Symptoms include severe nausea, vomiting, and temporary relief from hot showers.
  • Stopping cannabis use is the most effective treatment.

Introduction

Cannabis is often considered a harmless or therapeutic substance, but heavy and prolonged use can have unexpected side effects. One such condition is Cannabinoid Hyperemesis Syndrome (CHS). CHS causes severe nausea, vomiting, and abdominal pain in some chronic cannabis users. While rare, it can disrupt daily life and require medical attention. Understanding CHS is essential for those who use cannabis regularly or suspect they may have this condition. This article explains the symptoms, causes, risks, and treatment options for CHS.

What is Cannabinoid Hyperemesis Syndrome (CHS)?

CHS is a condition linked to chronic cannabis use. First described in 2004, it has become increasingly recognized as cannabis use has grown more widespread. The syndrome is characterized by recurring episodes of nausea and vomiting. CHS is believed to be caused by the way cannabinoids, such as THC, interact with the body’s cannabinoid receptors. This interaction may lead to disruptions in the gastrointestinal system, although the exact cause is still being studied.

Symptoms of CHS (Cannabis Hyperemesis Syndrome)

CHS symptoms often follow three distinct phases:

Prodromal Phase

In the early stage, symptoms may include mild nausea, discomfort in the abdomen, and a reduced appetite. These signs are often ignored or attributed to other issues.

Hyperemetic Phase

The most severe stage, characterized by:

  • Persistent vomiting, often leading to dehydration.
  • Severe abdominal pain and cramping.
  • A tendency to take frequent hot showers or baths for temporary relief.

Recovery Phase

Once cannabis use stops, symptoms gradually subside. This phase can last from days to months, depending on the severity of cannabis dependence.

What Causes CHS?

The exact cause of CHS is unclear, but research points to the following factors:

  • Cannabinoid Overload: Chronic cannabis use may overstimulate the cannabinoid receptors in the gastrointestinal system.
  • Impact on Digestion: THC and other cannabinoids can disrupt normal digestive processes.
  • Body Chemistry: Genetic predispositions or sensitivity to cannabis may increase the likelihood of developing CHS.

Risks and Complications of CHS

Left untreated, CHS can lead to serious health risks, including:

  • Dehydration: Persistent vomiting can cause severe fluid loss, leading to fatigue and dizziness.
  • Electrolyte Imbalances: Losing vital nutrients and electrolytes can harm muscle and organ function.
  • Hospitalization: Some cases require intravenous hydration and medical monitoring.

CHS can also impact mental health, as recurring symptoms may cause anxiety or depression.

Diagnosis of Cannabinoid Hyperemesis Syndrome

Diagnosing CHS involves ruling out other conditions like cyclic vomiting syndrome or gastrointestinal diseases. Doctors typically:

  • Review the patient’s cannabis use history.
  • Conduct tests to eliminate other potential causes.
  • Identify patterns such as symptom relief from hot showers.

A diagnosis of CHS is confirmed if symptoms improve after stopping cannabis use.

Treatment Options for CHS

The primary treatment for CHS is stopping cannabis use. Here’s how recovery typically proceeds:

1. Stopping Cannabis Use

Quitting cannabis is essential to prevent recurring symptoms. Most patients see improvement within days to weeks after stopping.

2. Managing Symptoms

  • Hydration: Replacing lost fluids is critical for recovery.
  • Medications: Anti-nausea drugs or pain relievers may be prescribed to ease symptoms.
  • Topical Treatments: Capsaicin cream, often used for muscle pain, can help alleviate abdominal discomfort.

3. Medical Supervision

For severe cases, hospitalization may be required to manage dehydration and provide IV fluids.

Long-Term Recovery from CHS

Recovery from CHS depends on maintaining a cannabis-free lifestyle. Support groups, counseling, and therapy can help individuals avoid relapse and maintain overall well-being. Medical professionals also recommend focusing on a healthy diet, regular exercise, and mindfulness practices to reduce stress and improve mental health.

Conclusion

Cannabinoid Hyperemesis Syndrome is a serious but treatable condition linked to chronic cannabis use. Understanding its symptoms and causes can help individuals recognize the problem and seek timely treatment. If you or someone you know is struggling with CHS or cannabis addiction, professional help is available. Call Virtue Recovery Center at 866-461-3339 today to take the first step toward recovery.

FAQs About CHS from Marijuana Use

What is CHS, and what causes it? What are the CHS symptoms?

CHS is a condition caused by chronic cannabis use. It leads to severe nausea, vomiting, and abdominal pain due to overstimulated cannabinoid receptors.

How do I know if I have CHS?

Common signs include persistent nausea and vomiting that improve temporarily with hot showers. Diagnosis involves ruling out other conditions.

Can CHS be treated?

Yes, the most effective treatment is stopping cannabis use. Medical support can help manage symptoms during recovery.

What are the risks of untreated CHS?

Untreated CHS can lead to dehydration, electrolyte imbalances, and hospitalization. It may also affect mental health.

How long does recovery from CHS take?

Recovery times vary. Most individuals see improvements within days or weeks of quitting cannabis.

What is Cyclic Vomiting Syndrome?

Cyclic Vomiting Syndrome (CVS) is a condition characterized by recurrent episodes of severe vomiting, often with no apparent cause, interspersed with symptom-free periods.

What are some diagnosis and treatment options for CHS?

CHS, or Cannabinoid Hyperemesis Syndrome, is diagnosed through medical history, cannabis use assessment, and ruling out other conditions. Treatment often includes stopping cannabis use, hydration, anti-nausea medications, and hot showers or baths for symptom relief.

Should I go to an Emergency Department to relieve CHS symptoms?

Yes, if symptoms like severe dehydration, uncontrollable vomiting, or abdominal pain occur, visiting an Emergency Department is advised for immediate care and symptom management.

What’s the difference between CHS and CVS?

CHS is linked specifically to chronic cannabis use, whereas CVS is not associated with substance use and often has unknown triggers, though both involve repeated episodes of severe vomiting.

Is There a Connection Between Cannabinoid Hyperemesis Syndrome (CHS) and EVALI from Vaping?

Research into cannabinoid hyperemesis syndrome (CHS) and EVALI is crucial for understanding vapingrelated lung injuries and symptoms. Both conditions highlight the complexities of substance use, emphasizing the need for awareness and education about their potential health impacts. Ongoing studies aim to clarify these connections and improve patient outcomes.

Resources

https://pmc.ncbi.nlm.nih.gov/articles/PMC3576702/ https://gi.org/topics/cannabinoid-hyperemesis-and-the-cyclic-vomiting-syndrome-in-adults/ https://portal.ct.gov/cannabis/knowledge-base/articles/education-and-prevention/cannabinoid-hyperemesis-syndrome?language=en_US

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