strongly linked to emergency room visits for scromiting.
Disturbingly, adolescent cases in the U.S. increased more than tenfold from 2016 to 2023, with the fastest rises occurring in states where recreational cannabis remains illegal. Interestingly, while overall CHS cases were more common in states where cannabis is legal, younger users saw more cases in states where it remains illegal.
CHS Officially Recognized
The World Health Organization formally recognized CHS on October 1, 2025, giving it an official diagnosis code. Carlini explained the significance:
“A new code for cannabis hyperemesis syndrome will supply important hard evidence on cannabis-adverse events, which physicians tell us is a growing problem.”
With emergency room visits climbing, experts warn that cannabis users—both teenagers and adults—need to be aware of this potentially debilitating condition.
