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Ondansetron

Ondansetron is a serotonin 5-HT3 antagonist used for selected nausea and vomiting.

Zofran

Nausea and Vomiting

4 · 8mg

Ondansetron 4mg and 8mg, as film-coated and orodispersible tablets, used for nausea and vomiting including after surgery. A 5-HT3 antagonist.

From$1.17/ tabletView

Key points

  • It treats symptoms but does not diagnose their cause.
  • It can prolong QT and contribute to serotonin toxicity with interacting medicines.
  • Fainting, irregular heartbeat or severe agitation with fever needs urgent care.

Listings are for comparison and general information; suitability and supply depend on clinician and pharmacy checks, monitoring and prescription requirements.

Important safety checks

Cause of symptoms, heart rhythm, electrolytes, liver function and serotonergic medicines require review.

When to seek urgent care

Seek urgent help for fainting, a fast or irregular heartbeat, severe agitation with fever and rigidity, or a serious allergic reaction.

Further reading