Learn more about usage, cautions, and possible side effects .
Chemical Name: ONDANSETRON (on-DAN-se-tron)
This medicine is an antiemetic used to prevent nausea and vomiting following chemotherapy, radiation therapy, or surgery. It may also be used for other conditions as determined by your doctor.
Some medicines or medical conditions may interact with this medicine. INFORM YOUR DOCTOR OR PHARMACIST of all prescription and over-the-counter medicine that you are taking. ADDITIONAL MONITORING OF YOUR DOSE OR CONDITION may be needed if you are taking seizure medicine (such as phenytoin or carbamazepine), rifampicin, tramadol, or certain chemotherapy medicines (such as cisplatin or cyclophosphamide). DO NOT START OR STOP any medicine without doctor or pharmacist approval. Inform your doctor of any other medical conditions, including liver problems, stomach or bowel problems (such as blockage of the bowel), allergies, pregnancy, or breast-feeding. Contact your doctor or pharmacist if you have any questions or concerns about taking this medicine.
Use this medicine exactly as directed by your doctor. THIS MEDICINE MAY BE STARTED BEFORE your cancer treatment or surgery. This medicine may come in a bottle or in a blister pack. Keep the medicine in the container until you are ready to take it. Be sure your hands are dry before handling the tablets. To take this medicine, remove your dose from the container. If your medicine comes in a blister pack, do not try to push the tablet through the foil. With dry hands, peel the blister backing away and gently remove the tablet. Immediately place the tablet on the tongue to dissolve and swallow with your saliva. STORE THIS MEDICINE below 86 degrees F (30 degrees C), away from heat and light. CONTINUE TO TAKE THIS MEDICINE for the entire time recommended by your doctor even if you feel well. Do not miss any doses. IF YOU MISS A DOSE OF THIS MEDICINE, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. DO NOT take 2 doses at once.
DO NOT TAKE THIS MEDICINE if you have had an allergic reaction to it, to any ingredient in this product, or to any similar medicine. DO NOT EXCEED THE RECOMMENDED DOSE or take this medicine for longer than prescribed without checking with your doctor. IF YOU EXPERIENCE NAUSEA OR VOMITING while using this medicine, check with your doctor. IF YOU EXPERIENCE difficulty breathing; tightness of chest; swelling of eyelids, face, or lips; or if you develop a rash or hives, tell your doctor immediately. Do not take any more doses of this medicine unless your doctor tells you to do so. PHENYLKETONURICS: this medicine contains phenylalanine. BEFORE YOU BEGIN TAKING ANY NEW MEDICINE, either prescription or over-the-counter, check with your doctor or pharmacist. FOR WOMEN: IF YOU PLAN ON BECOMING PREGNANT, discuss with your doctor the benefits and risks of using this medicine during pregnancy. IT IS UNKNOWN IF THIS MEDICINE IS EXCRETED in breast milk. IF YOU ARE OR WILL BE BREAST-FEEDING while you are using this medicine, check with your doctor or pharmacist to discuss the risks to your baby.
SIDE EFFECTS that may occur while taking this medicine include headache, diarrhea, constipation, stomach pain, tiredness, or weakness. If they continue or are bothersome, check with your doctor. CONTACT YOUR DOCTOR AS SOON AS POSSIBLE if you experience unusual eye movement. CONTACT YOUR DOCTOR IMMEDIATELY if you experience temporary vision loss. AN ALLERGIC REACTION to this medicine is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include rash, itching, swelling, dizziness, or trouble breathing. If you notice other effects not listed above, contact your doctor, nurse, or pharmacist. This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your healthcare provider. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Drug interactions can result in unwanted side effects or prevent a medicine from doing its job. Use our drug interaction checker to find out if your medicines interact with each other. Check drug interactions
If overdose is suspected, contact your local poison control center or emergency room immediately. Symptoms of overdose may include drowsiness and headache.
DO NOT SHARE THIS MEDICINE with others for whom it was not prescribed. DO NOT USE THIS MEDICINE for other health conditions. KEEP THIS MEDICINE out of the reach of children.