Cannabis Hyperemesis Syndrome (CHS)

Is the nausea and vomiting severe and incapacitating?

Is the nausea and vomiting refractory to antiemetic medications?

Does the patient have abdominal pain?

Does the patient engage in compulsive bathing in hot water?

Does the patient have polydipsia?

Does the patient have a history of long-term abuse of marijuana?

Is there another cause of nausea and vomiting that can explain the findings better?

Does discontinuation of any marijuana use for a week or two result in clinical improvement?