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Study: ‘Uncontrollable Vomiting’ on the Rise among Marijuana Users

BROOKLYN, NEW YORK - APRIL 14: A recreational marijuana smoker indulges in smoking weed on April 14, 2020 in the Bushwick section of the Brooklyn borough of New York City. As some smokers turn to smoking weed to ease their stress during the coronavirus pandemic, some doctors are warning that cannabis can cause airway inflammation that could cause complications should a user become a victim of COVID-19. (Photo by Bruce Bennett/Getty Images)

U.S. medical professionals say they’re puzzled over an issue that’s been affecting marijuana users in recent months: hundreds of them have turned up in emergency rooms, complaining of “uncontrollable vomiting.

“They are writhing, holding their stomach, complaining of really bad abdominal pain and nausea,” says Dr. Sam Wang, a pediatric emergency medicine specialist at Children’s Hospital Colorado. “They vomit and then just continue to vomit whatever they have in their stomach, which can go on for hours.”

Although medical experts have a name for the ailment, cannabis hyperemesis syndrome, they’re not exactly clear on what causes it — especially since marijuana is used to relieve nausea in cancer patients. “It’s not entirely clear who is predisposed to getting it,” Wang says. “Is it a certain frequency or duration of use? Is it a specific potency? Or is it a specific type of product? We don’t have that data.”

Have you suffered any ill effects from smoking weed?


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