Cannabis may cause digestive challenges when taken orally. Though THC has become proven to ease nausea and vomiting, in a number of people long-phrase hefty use can paradoxically lead to nausea and vomiting.Dronabinol (Marinol®) and nabilone (Cesamet®): These analogs can avert and handle nausea and vomiting related to chemotherapy. Dronabinol mig