Scromiting is a severe gastrointestinal condition caused by long-term heavy cannabis use, characterized by uncontrollable vomiting so intense that people scream in anguish. The condition, formally called Cannabinoid Hyperemesis Syndrome (CHS), develops gradually over months or years and can lead to dangerous dehydration, weight loss, and kidney damage if left untreated. Emergency rooms across the United States are reporting increasing cases, particularly among teenagers who may develop symptoms after just three months of regular marijuana use .

What Exactly Is Scromiting and How Does It Develop?

The term "scromiting" combines "screaming" and "vomiting" to describe the intensity of symptoms during a CHS crisis. It is not a clinical diagnosis on its own, but rather a vivid description of one of the worst symptoms of Cannabinoid Hyperemesis Syndrome. The condition emerges from a paradoxical effect: while cannabis is widely known for reducing nausea, long-term heavy use can eventually trigger severe vomiting .

The leading theory explains this reversal through overstimulation of cannabinoid receptors in the brain and gut. Tetrahydrocannabinol (THC), the main psychoactive ingredient in marijuana, affects the body's endocannabinoid system. Over time, the brain's receptors stop responding normally, and the gut's cannabinoid receptors begin triggering nausea and vomiting instead of suppressing it. Additionally, THC affects the esophageal sphincter (the muscle controlling passage between the esophagus and stomach) and alters how quickly the stomach empties, affecting the entire digestive system .

Not everyone who uses marijuana long-term develops CHS. Researchers believe some individuals may have a genetic predisposition that makes them vulnerable. The condition is more frequently diagnosed in males and in people who began using marijuana during their teenage years .

What Are the Three Phases of Cannabinoid Hyperemesis Syndrome?

CHS develops gradually across three distinct phases, each with different warning signs and severity levels. Understanding these phases helps people recognize when cannabis use is causing harm and when medical intervention is needed.

• Prodromal Phase: This earliest stage can last months or even years before full-blown syndrome appears. Symptoms include morning nausea that comes and goes, mild abdominal discomfort or cramping, anxiety and fear of vomiting, and sweating with increased thirst. Actual vomiting is rare at this stage, and many people mistakenly believe their symptoms are caused by something else entirely, such as a stomach bug, stress, or acid reflux. Some even increase their cannabis use, believing it will ease the nausea .
• Hyperemetic Phase: This is the acute crisis phase most associated with scromiting. Symptoms include relentless, cyclical vomiting up to five times per hour in some cases, intense abdominal pain, profound dehydration and electrolyte imbalance, dramatic weight loss and inability to eat, and compulsive hot showering or bathing for hours as hot water temporarily eases nausea. Episodes can last 24 to 48 hours but recur unpredictably every few weeks to months. This is typically when patients end up in the emergency department .
• Recovery Phase: This phase begins once the person stops using cannabis entirely. Symptoms typically begin to ease within a few days, though full resolution can take two weeks to three months. Weight is gradually regained, and the urge to compulsively shower diminishes. However, if the person resumes cannabis use, symptoms almost always return .

Why Are Teenagers at Higher Risk?

One of the more alarming trends is the increasing prevalence of scromiting and CHS among teenagers. According to pediatrician Dr. Cindy Gellner at the University of Utah Health, CHS can develop in teens after as few as three months of regular marijuana use, far quicker than the typical 10 to 12 year timeline seen in adult users. The average age of teens presenting with CHS in one research review was just 17 years old, with most using marijuana approximately 21 times per week .

The long-term consequences of chronic teen marijuana use extend well beyond CHS. The adolescent brain continues developing until the mid-20s, and THC interferes with this process, potentially affecting memory, attention, and executive function. Chronic use also increases the risk of anxiety, depression, and in some individuals, psychosis. Regular users tend to show lower academic achievement and higher dropout rates. Additionally, about 3 in 10 people who use marijuana develop what is classified as a marijuana use disorder .

How Do Doctors Diagnose Cannabinoid Hyperemesis Syndrome?

CHS is a clinical diagnosis, meaning there is no single blood test, imaging scan, or lab result that definitively confirms it. Doctors typically diagnose the condition based on a detailed patient history, pattern of symptoms, ruling out other causes, and symptom resolution after stopping cannabis. Being honest with healthcare providers about marijuana use, how much, how often, and for how long, is essential for getting an accurate diagnosis and appropriate treatment .

Certain foods and beverages can aggravate symptoms during an active episode, though they do not cause CHS itself. Commonly cited trigger foods include spicy foods, greasy or fatty foods, coffee and black tea, alcohol, and acidic foods. The only way to actually stop CHS is cannabis abstinence .

How to Manage Scromiting and Support Recovery

• Immediate Medical Treatment: During a hyperemetic episode, emergency care may include intravenous fluid replacement to correct dehydration and electrolyte imbalances, anti-nausea medications (though standard antiemetics like ondansetron are often ineffective for CHS), topical capsaicin cream applied to the abdomen (the capsaicin engages the same temperature receptors as hot water, providing similar relief), benzodiazepines to reduce anxiety and calm the nervous system, proton-pump inhibitors to address stomach inflammation, and hot showers or baths as symptomatic relief during hospitalization .
• Long-Term Recovery Strategy: There is currently no medication, diet, or therapy that can allow someone to continue using cannabis and avoid CHS. The only true cure is complete cannabis abstinence. Once a person stops using cannabis, symptoms typically begin to ease within a few days, though full recovery can take two to three months .
• Prevention and Early Recognition: Recognizing prodromal phase symptoms like morning nausea, mild abdominal discomfort, and anxiety is critical for early intervention. If someone experiences these warning signs alongside regular cannabis use, consulting a healthcare provider can prevent progression to the severe hyperemetic phase and the medical emergencies that follow .

The increasing frequency of scromiting cases in emergency rooms underscores the importance of understanding cannabis's potential harms, particularly for young people. While cannabis is legal in many states and socially accepted, the reality is that heavy, long-term use can trigger serious medical complications that require hospitalization and complete abstinence to resolve. If you or someone you know is experiencing severe vomiting, abdominal pain, or other symptoms consistent with CHS, seeking medical attention promptly is essential to prevent dangerous dehydration and other complications.