Clinical Characteristics and Associated Factors in Mexican Patients With Cyclic Vomiting Syndrome and Cannabinoid Hyperemesis Syndrome.

However, the prevalence of CHS has shown an increasing trend in countries with marijuana liberalization. 1 , 6 , 7 Despite having distinct diagnostic criteria and proposed pathophysiology, CVS and CHS share multiple clinical characteristics, including the pattern of stereotypical vomiting. 3 , 7 , 8 Both NVDs predominantly affect young adults, with CVS being more common in females and CHS predominantly affecting males. 5 , 7 In contrast to other disorders of DGBIs, the prevalence and clinical characteristics of NVD in Mexico and Latin America are not well characterized.

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