Role of chronic cannabis use: Cyclic vomiting syndrome vs cannabinoid hyperemesis syndrome

Cannabis is commonly used in cyclic vomiting syndrome ( CVS ) due to its antiemetic and anxiolytic properties. Paradoxically, chronic cannabis use in the context of cyclic vomiting has led to the recognition of a putative new disorder called cannabinoid hyperemesis syndrome ( CHS ). Since its first description in 2004, numerous case series and case reports have emerged describing this phenomenon. Although not pathognomonic, a patient behavior...