Learn about Emeset uses, dosage, side effects, food interactions, and more. Get all the details about Emeset from MedicinesFAQ . Emeset 4 MG Tablet MD is an antiemetic medicine that contains ondansetron as an active ingredient. It is used in the treatment of nausea and vomiting caused by stomach problems, surgery, using cancer medicines (chemotherapy) or radiation therapy. It works by blocking a natural substance called serotonin in the brain that causes nausea and vomiting. Emeset 4 MG Tablet MD may cause side effects like constipation, headache, diarrhoea, etc. Do not use this medicine if you are allergic to it ... Emeset 4 MG Tablet is prescribed for the treatment of nausea as well as vomiting, caused by other medical treatments such as surgery, chemotherapy and radiation. Emeset 4 Tablet is an antiemetic medication used to prevent and treat nausea and vomiting caused by surgery, chemotherapy, radiotherapy, and stomach illnesses. It works by blocking the action of a chemical compound that triggers these symptoms, providing relief from nausea and vomiting.