Ondansetron Injectable for Cat
Cat · Felis catus · typical adult weight 2.50–7.00 kg
Ondansetron Injectable is used in cat for Acute vomiting. Routes documented in cat: IV. A typical adult cat weighs 2.50–7.00 kg. ExoticRx lists 1 cited dose rule for Ondansetron Injectable in cat, drawn from published veterinary references. Verify against current literature before clinical use.
Trade names: Zofran Injectable
Dose ranges
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| IV | 0.1–0.5 mg/kg | q8-12h IV | As needed | Acute vomiting | Moderate | Plumb's Veterinary Drug Handbook, 9th Ed |
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These ranges are per kg. Enter your cat's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Mechanism of action
5-HT3 serotonin receptor antagonist. Injectable form for acute nausea/vomiting in hospitalized patients unable to take oral medication.
Side effects & warnings
IV route for acute vomiting/nausea. Often combined with maropitant for refractory vomiting. Constipation possible. QT prolongation at high doses.
Species-specific contraindications and adverse-reaction reports for cat may differ from canine / feline reference data — consult the primary citations listed with each rule.
Other Gastrointestinal drugs with cat dosing
Ondansetron Injectable dosing in other species
Why a species-specific page? Ondansetron Injectable pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in cat — the rules above are the citations specific to this species, not generic recommendations.
Sourced from published veterinary references; awaiting credentialed clinical reviewer. See our editorial process. Reference only — not veterinary advice.