Could repeated vomiting be related to cannabis?
Cannabinoid hyperemesis syndrome (CHS) is associated with long-term frequent cannabis use and can cause cycles of severe nausea, abdominal discomfort, retching and vomiting. Some patients report temporary relief with hot showers or baths, but this is not a cure and very hot water can cause burns.
CHS symptoms and other possible causes
Symptoms may include early-morning nausea, abdominal pain, repeated vomiting, inability to eat or drink, dehydration, weakness and repeated emergency visits. Other conditions, including pregnancy complications, pancreatitis, bowel obstruction, infection, diabetic ketoacidosis and medication reactions, can look similar. Do not self-diagnose persistent or severe vomiting as CHS.
When to get urgent care
Seek emergency assessment for persistent vomiting with inability to keep fluids down, fainting, severe abdominal pain, blood in vomit, confusion, minimal urination, chest pain, pregnancy-related symptoms or profound weakness. Repeated vomiting can cause dehydration, electrolyte disturbances and kidney injury. Patients with severe symptoms may need intravenous fluids, electrolyte testing and monitored treatment.
What treatment helps?
The durable approach to preventing recurrence of CHS is stopping cannabis use. Acute symptom treatment is determined by the clinician; standard nausea medications may not always help. Some people need professional help managing cravings, sleep changes or anxiety after stopping cannabis. A supportive recovery plan may include counseling, community groups and follow-up with a primary-care clinician.
Where to get help around Austin
For severe illness, call 911 or go to an emergency department. For non-emergency substance-use treatment referrals, contact SAMHSA at 1-800-662-HELP. For medically supervised withdrawal questions, Redstone at Family Hospital Systems lists its 24-hour admissions number as 855-774-7473; confirm whether the services offered are appropriate for your situation. See our Austin recovery resource guide.
Are cannabis withdrawal and CHS the same?
No. After cannabis cessation, some people experience irritability, poor sleep, anxiety, appetite changes and nausea. CHS describes recurrent vomiting linked to cannabis exposure; both can require assessment if symptoms are significant. We do not offer emergency stabilization by telehealth.