Ondansetron

Information about Ondansetron

Ondansetron Uses

Ondansetron is used to prevent nausea and vomiting.

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, Headache, Flushing (sense of warmth in the face, ears, neck and trunk), Injection site reactions (pain, swelling, redness)
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Written By
MDS, BDS
Reviewed By
MBA, MD Pharmacology
Last updated
13 Jun 2023 | 11:25 AM (UTC)

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Available Medicine for Ondansetron

OndemAlkem Laboratories Ltd
26 to ₹2206 variant(s)
VomikindMankind Pharma Ltd
11 to ₹507 variant(s)
EmesetCipla Ltd
13 to ₹26711 variant(s)
PerisetIpca Laboratories Ltd
11 to ₹936 variant(s)
ZoferSun Pharmaceutical Industries Ltd
13 to ₹1019 variant(s)
EmigoZuventus Healthcare Ltd
13 to ₹576 variant(s)
EmefilmDelvin Formulations Pvt Ltd
300 to ₹3302 variant(s)
EternaBlue Cross Laboratories Ltd
29 to ₹383 variant(s)
OndamacMacleods Pharmaceuticals Pvt Ltd
42 to ₹572 variant(s)
OnticCorona Remedies Pvt Ltd
11 to ₹473 variant(s)

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.

Q. Is Ondansetron a steroid?

No, Ondansetron is an antiemetic and not a steroid. Ondansetron is a selective 5-HT3 receptor antagonist. It is prescribed for the prevention and treatment of nausea and vomiting which is commonly observed after surgery or due to cancer chemotherapy.

Q. Does Ondansetron work for seasickness?

No, Ondansetron does not work for seasickness. This is because Ondansetron has very little effect on the nausea associated with motion sickness.

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