Comparing Haloperidol to Olanzapine in the Treatment of Suspected Cannabinoid Hyperemesis in the Emergency Department
The aim of the study is to identify which medication (haloperidol or olanzapine) is most effective in treating nausea and abdominal pain associated with cannabinoid hyperemesis using a 10-point visual analog scale with intervals of 0.5.
• subjects must meet ONE of the below criteria AND are a near-daily to daily user of cannabis by inhalation for greater than or equal to 6 months.
‣ Have documented previous diagnosis of cannabinoid hyperemesis, or
⁃ Report (or on chart review) greater than or equal to 3 episodes of emesis in a cyclic pattern separated by greater than 1 month during the preceding 2 years, or
⁃ The provider suspects cannabinoid hyperemesis as the primary or equally likely primary diagnosis.