Cat · Felis catus · typical adult weight 2.50–7.00 kg
Ceftazidime is dosed at 30 mg/kg IM q8h in cats, per Plumb's Veterinary Drug Handbook, 10th ed (2023, held copy; the original seed cited the 9th, which was never consulted) — Plumb's 10th ed (held) printed p.219, Ceftazidime monograph spanning p.219-220; page located 2026-08-05 from the book's own running heads, verified to name the drug in its body text. — figure located 2026-08-05 at Plumb's 10th ed printed p.220, Ceftazidime monograph; the page cited previously does not carry it. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207. Ceftazidime is used in cats for Susceptible infections (extra-label) - NOT adequate for Pseudomonas spp at this interval, Susceptible infections (NOT adequate for Pseudomonas spp — those require q2-4h dosing or a CRI). Routes documented in cats: IM. A typical adult cat weighs 2.50–7.00 kg. ExoticRx lists 2 cited dose rules for Ceftazidime in cats, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Fortaz
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| IM | 30 mg/kg | q8h | 7-14 days | Susceptible infections (extra-label) - NOT adequate for Pseudomonas spp at this interval | Moderate | Plumb's Veterinary Drug Handbook, 10th ed (2023, held copy; the original seed cited the 9th, which was never consulted) — Plumb's 10th ed (held) printed p.219, Ceftazidime monograph spanning p.219-220; page located 2026-08-05 from the book's own running heads, verified to name the drug in its body text. — figure located 2026-08-05 at Plumb's 10th ed printed p.220, Ceftazidime monograph; the page cited previously does not carry it. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207 |
| IM | 30 mg/kg | q8h | 7-14 days | Susceptible infections (NOT adequate for Pseudomonas spp — those require q2-4h dosing or a CRI) | Moderate | Plumb's Veterinary Drug Handbook, 10th ed (2023, held copy; the original seed cited the 9th, which was never consulted), Ceftazidime, printed p.220 (corpus p.247), CATS — '30 mg/kg IM every 8 hours'. Superscript 4 = Albarellos GA, Ambros LA, Landoni MF. Pharmacokinetics of ceftazidime after intravenous and intramuscular administration to domestic cats. Vet J. 2008;178(2):238-243 (resolved in the Plumb's companion reference archive). — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207 |
Every held source for this drug and species, as printed. Where they differ, both are shown — the choice is yours, not ours.
| Dose (mg/kg) | Route | Source | As printed |
|---|---|---|---|
| 30 | IM | BSAVA Small Animal Formulary, 10th ed — Part A (Canine and Feline)p.87 | 30 mg/kg i.m. q8h. If Pseudomonas, more frequent dosing recommended q2-4h. |
| 25–30 | SC | Papich Saunders Handbook of Veterinary Drugs, 4th edp.164 | • 25-30 mg/kg q8h SQ IM (there may be some pain from SQ and IM injection), |
| 1.2 | IV | Papich Saunders Handbook of Veterinary Drugs, 4th edp.164 | • Constant IV infusion: Give loading dose of 1.2 mg/kg, followed by 1.56 mg/ |
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.
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Inhibits bacterial cell wall synthesis by binding to PBPs. Broad-spectrum with excellent gram-negative coverage including Pseudomonas.
Must reconstitute before use. Monitor for hypersensitivity reactions. Adjust dose in renal impairment.
Species-specific contraindications and adverse-reaction reports for cats may differ from canine / feline reference data — consult the primary citations listed with each rule.
Ceftazidime dose ranges in cats, with cited source references: IM 30 mg/kg q8h; IM 30 mg/kg q8h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Ceftazidime in cats: IM.
Cited course lengths for Ceftazidime in cats include: 7-14 days. Duration depends on the indication — match it to the specific dose rule in the table above.
Ceftazidime is indicated in cats for: Susceptible infections (extra-label) - NOT adequate for Pseudomonas spp at this interval, Susceptible infections (NOT adequate for Pseudomonas spp — those require q2-4h dosing or a CRI).
These are general warnings for Ceftazidime across species; consult the cat dosing table above for species-specific guidance. Must reconstitute before use. Monitor for hypersensitivity reactions. Adjust dose in renal impairment.
Why a species-specific page? Ceftazidime 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.