Ondem Tablet is used to prevent and treat nausea and vomiting caused by chemotherapy, radiotherapy and surgery. It is a single-ingredient medicine containing ondansetron 4mg, which belongs to a class of medicines called 5-HT3 receptor antagonists (anti-sickness medicines).
This medicine blocks serotonin, a chemical that triggers the vomiting reflex in the gut and brain. It is usually taken before cancer treatment or surgery and for a short time afterwards. Swallow the tablet with water, with or without food, at the times prescribed. It does not work well for travel sickness.
Eating small, bland meals, sipping fluids slowly through the day and avoiding strong smells and greasy food can help reduce nausea during treatment.
Before taking this medicine, tell your doctor if you have a heart rhythm problem, low potassium or magnesium, liver disease or a bowel blockage, and about all other medicines you take. It is not recommended in the first 3 months of pregnancy, so tell your doctor if you are pregnant, planning a pregnancy or breastfeeding. Contact your doctor if you notice a fast or irregular heartbeat, fainting, severe constipation or stomach pain. Do not stop taking this medicine unless your doctor advises you to do so.

























































































