1.EMESET (ONDANSETRON) is an anti-nausea and vomiting medication used for treating nausea and vomiting caused by chemotherapy, radiation, and certain surgical procedures.2.The active ingredient in EMESET (ONDANSETRON) is ondansetron, a serotonin 5-HT3 receptor antagonist.3.EMESET (ONDANSETRON) is available in pill, liquid, and orally disintegrating tablet forms.4.Common side effects of EMESET (ONDANSETRON) include headaches, constipation, and diarrhea.5.EMESET (ONDANSETRON) is available for purchase online here at our website.