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Ondansetron
INFORMATION ABOUT ONDANSETRON
Ondansetron Uses
Ondansetron is used to prevent vomiting and nausea.
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
Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them
Common
Constipation, Headache, Flushing (sense of warmth in the face, ears, neck and trunk), Injection site reactions (pain, swelling, redness)
CONTENT DETAILS
Last updated
08 Nov 2024 | 05:25 AM (UTC)
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Medicine brands for Ondansetron
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Periset
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Eterna
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Emefilm
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Ondamac
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Macleods Pharmaceuticals Pvt Ltd
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Ontic
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Corona Remedies Pvt Ltd
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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.
  • You have been prescribed Ondansetron for prevention of nausea and vomiting caused after surgery or due to chemotherapy and radiotherapy.
  • Unlike some other nausea medicines, the side effects for Ondansetron are relatively mild.
  • It comes in many different forms that do not need to be swallowed, such as a film that is placed on  the tongue or as a dissolving pill.
  • 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 starts working within half an hour to 2 hours. It dissolves rapidly into the bloodstream and starts showing its effect.
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.
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.
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.
No, Ondansetron does not work for seasickness. This is because Ondansetron has very little effect on the nausea associated with motion sickness.