Cat · Felis catus · typical adult weight 2.50–7.00 kg
Ronidazole is dosed at 30 mg/kg PO q24h for 14 days in cats, per Plumb's Veterinary Drug Handbook, 10th ed (2023, held copy; the original seed cited the 9th, which was never consulted), Ronidazole, p.1159; corroborated by Papich, printed p.718 (PDF p.746) — Plumb's 10th ed (held) printed p.1131, Ronidazole monograph; page located 2026-08-05 from the book's own running heads, verified to name the drug in its body text. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207; Saunders Handbook of Veterinary Drugs — ISBN 9780323244855, https://openlibrary.org/isbn/9780323244855. Ronidazole is used in cats for Tritrichomonas foetus. Routes documented in cats: PO. A typical adult cat weighs 2.50–7.00 kg. ExoticRx lists 1 cited dose rule for Ronidazole in cats, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: generic/compounded
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 30 mg/kg | q24h for 14 days | 14 days | Tritrichomonas foetus | Moderate | Plumb's Veterinary Drug Handbook, 10th ed (2023, held copy; the original seed cited the 9th, which was never consulted), Ronidazole, p.1159; corroborated by Papich, printed p.718 (PDF p.746) — Plumb's 10th ed (held) printed p.1131, Ronidazole monograph; page located 2026-08-05 from the book's own running heads, verified to name the drug in its body text. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207; Saunders Handbook of Veterinary Drugs — ISBN 9780323244855, https://openlibrary.org/isbn/9780323244855 |
Every held source for this drug and species, as printed. Where they differ, both are shown — the choice is yours, not ours.
The sources disagree for this combination. The ranges below do not overlap on a comparable route. This is not an error in one of them — published veterinary references differ, and reconciling them for a particular patient is a clinical judgement.
| Dose (mg/kg) | Route | Source | As printed |
|---|---|---|---|
| 20–30 | PO | BSAVA Small Animal Formulary, 10th ed — Part A (Canine and Feline)p.379 | For treatment of T. foetus 20-30 mg/kg p.o. q24h for 14 days. Use reduced dose of 10 mg/kg p.o. q24h in kittens and cats with h |
| 10 | PO | BSAVA Small Animal Formulary, 10th ed — Part A (Canine and Feline)p.379 | etus 20-30 mg/kg p.o. q24h for 14 days. Use reduced dose of 10 mg/kg p.o. q24h in kittens and cats with hepatopathy. |
| 30 | PO | Papich Saunders Handbook of Veterinary Drugs, 4th edp.746 | • 30 mg/kg q24h PO for 2 weeks. Early clinical studies were performed with |
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Nitroimidazole that damages protozoal DNA. Treatment of choice for Tritrichomonas foetus in cats.
Treatment of choice for T. foetus in cats. Neurotoxicity at high doses (ataxia, seizures — reversible). Narrow therapeutic index in cats. Compounded product only.
Species-specific contraindications and adverse-reaction reports for cats may differ from canine / feline reference data — consult the primary citations listed with each rule.
Ronidazole dose range in cats, with cited source references: PO 30 mg/kg q24h for 14 days. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Ronidazole in cats: PO.
Cited course lengths for Ronidazole in cats include: 14 days. Duration depends on the indication — match it to the specific dose rule in the table above.
Ronidazole is indicated in cats for: Tritrichomonas foetus.
These are general warnings for Ronidazole across species; consult the cat dosing table above for species-specific guidance. Treatment of choice for T. foetus in cats. Neurotoxicity at high doses (ataxia, seizures — reversible). Narrow therapeutic index in cats. Compounded product only.
Why a species-specific page? Ronidazole pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in cats — 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.
| 30 |
| — |
| Papich Saunders Handbook of Veterinary Drugs, 4th edp.746 |
| 30 mg/kg q12h, but twice-daily administration is more likely to produce CNS |
Figures are transcribed from the cited page or table of each held edition and are shown for reference only. They are not dose recommendations, they do not feed the calculator, and none has been reviewed by a veterinarian.