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Screaming + vomiting: ‘Scromiting’ is the mysterious cannabis syndrome becoming more common

A University of Illinois Chicago study links a sevenfold increase in cannabinoid hyperemesis syndrome to cannabis legalization and higher potency products, with 75% of patients using daily.

  • Recently, a University of Illinois Chicago study found diagnosed CHS cases jumped sevenfold from 2016 to 2022, peaking at 33 cases per 100,000 ER visits during the COVID pandemic.
  • Professor James Swartz attributes the rise to state cannabis legalization and high-potency cannabis and concentrates, noting most CHS patients are long-term daily users.
  • Patients diagnosed with cannabinoid hyperemesis syndrome report relentless morning vomiting lasting days with dry heaves and body aches, temporary relief only from hot showers, and harms including 50-pound weight loss and ruined teeth, sometimes called 'scromiting'.
  • Clinicians and emergency departments should consider CHS, as the rise mainly affects young adults aged 35, who often require fluids and stabilization, with abstinence as the only known cure.
  • Research remains in its infancy, prompting calls to study mechanisms including pesticides and terpenes, while the World Health Organization only recently recognized CHS and some cannabis advocates remain skeptical.
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Screaming + vomiting: ‘Scromiting’ is the mysterious cannabis syndrome becoming more common

Like many cannabis smokers, Jared Panks used marijuana as medicine. As a paramedic, he’d seen the disastrous effects of other drugs and alcohol so, after years of fighting fires for the U.S Forest Service, he began to smoke marijuana to dull the pain from scoliosis and his torn-up knees. He became more interested in the plant’s potential benefits after seeing family members suffer from cancer and opioid abuse. Panks and his wife founded HomeGrow…

·Annapolis, United States
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Pioneer Press broke the news in Saint Paul, United States on Friday, January 9, 2026.
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