What should I do if I vomit after taking ondansetron?

iatroX medicinesPublished 21 August 2026Reviewed 21 August 2026

The answer

Answer

Do not automatically take more. Check the product leaflet or contact the treating team or pharmacist because the appropriate action depends on the circumstances.

Sources for this answer

NHSNHS · NHS medicine guidance

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Medicines ondansetron hydrochloride dihydrateQuestion & answer

ondansetron hydrochloride dihydrate · Medicine question

What should I do if I vomit after taking ondansetron?

iatroX medicinesPublished 21 August 2026Reviewed 21 August 2026

The answer

Answer

Do not automatically take more. Check the product leaflet or contact the treating team or pharmacist because the appropriate action depends on the circumstances.

Sources for this answer

NHSNHS · NHS medicine guidance

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ondansetron hydrochloride dihydrate

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