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• Cannabinoid Hyperemesis Syndrome

  Cannabinoid hyperemesis syndrome (CHS) is a disorder characterized by severe and recurrent episodes of vomiting (emesis). This rare disorder is only seen in chronic, long term, and daily marijuana users. The first cases described in the literature date back just over a decade and therefore CHS is a relatively new disorder that can often go undiagnosed—or misdiagnosed—for many years.