Ondansetron
Information about Ondansetron
Ondansetron uses
How ondansetron works
Ondansetron is an antiemetic medication. It works by blocking the action of a chemical messenger (serotonin) in the brain that may cause nausea and vomiting during anti-cancer treatment (chemotherapy) or after surgery.
Common side effects of ondansetron
Constipation, Diarrhea, Headache, Flushing (sense of warmth in the face, ears, neck and trunk), Injection site reactions (pain, swelling, redness), Extrapyramidal symptoms, Arrhythmia (irregular heartbeats), Chest pain, Slow heart rate, Hypotension (low blood pressure), Hiccup, Increased liver enzymes, Hypersensitivity, Dizziness, Altered vision, Prolonged QTc interval
Available Medicine for Ondansetron
Expert advice for Ondansetron
- You have been prescribed Ondansetron for prevention of nausea and vomiting caused after surgery or due to chemotherapy and radiotherapy.
- It is fast-acting and starts working within 30 minutes.
- If you vomit within one hour of taking a dose, take another dose.
- Avoid heavy meals and try eating small nourishing snacks throughout the day. Also, sip water regularly to help avoid dehydration.
Frequently asked questions for Ondansetron
Ondansetron
Q. How quickly does Ondansetron work?
Ondansetron starts working within half an hour to 2 hours. It dissolves rapidly into the bloodstream and starts showing its effect.
Q. What are the side effects of Ondansetron?
The most common side effects of Ondansetron are constipation, diarrhea, fatigue and headache. However, these are usually not bothersome and resolve on their own after some time. Consult your doctor if these persist or worry you.
Q. When should you take Ondansetron?
Ondansetron should be taken with a full glass of water, with or without food. It should be used exactly as per the dose and duration advised by the doctor. Usually, the first dose of Ondansetron is taken before the start of your surgery, chemotherapy or radiation treatment.