For some chronic cannabis users, a case of the munchies is the least of their problems.

Over the past decade, ERs have seen a surge in regular tokers showing up with sudden, stomach-churning attacks that leave them doubled over in pain.

The worst part? Many sufferers experience these episodes three or four times a year, often leaving both patients and providers scratching their heads.

What is CHS?

The culprit is cannabis hyperemesis syndrome (CHS), a gut-wrenching disorder that triggers relentless nausea, abdominal pain and severe vomiting that can strike four or five times an hour, according to the Cleveland Clinic .

Symptoms usually appear within 24 hours of cannabis use and can last for days. The episodes are so brutal that ER staff have coined a term for them: “ scromiting ” —

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