Cannabinoid Hyperemesis Syndrome News and Research

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Legal pot is more potent than ever — and still largely unregulated

Marijuana and other products containing THC, the plant's main psychoactive ingredient, have grown more potent and more dangerous as legalization has made them more widely available.

9 May 2023

Case study: Cannabinoid hyperemesis syndrome in a patient with ALS

This case study of a patient with ALS and symptoms of cannabinoid hyperemesis syndrome emphasizes the need for research into the use of medicinal cannabis.

12 Jun 2019

Wrecked and retching: Obscure vomiting illness linked to long-term pot use

For 17 years, Chalfonte LeNee Queen suffered periodic episodes of violent retching and abdominal pain that would knock her off her feet for days, sometimes leaving her writhing on the floor in pain.

2 Jan 2018

Link between marijuana use and cannabinoid hyperemesis

Marijuana use-both natural and synthetic-may cause cannabinoid hyperemesis (CH) a little-known but costly effect that researchers suggest is a serious burden to the health care system as it often leads to expensive diagnostic tests and ineffective treatments in an effort to find the cause of a patient's symptoms and provide relief, according to two separate case reports unveiled today at the American College of Gastroenterology's (ACG) 77th Annual Scientific meeting in Las Vegas.

23 Oct 2012