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, 9th Ed, 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).. Ceftazidime is used in cats for Severe gram-negative infections. Routes documented in cats: IM, IV. 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 | Severe gram-negative infections | Moderate | Plumb's Veterinary Drug Handbook, 9th Ed, 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). |
| IV | 25–50 mg/kg | q8h | 7-14 days | Severe gram-negative infections | Moderate | Plumb's Veterinary Drug Handbook, 9th Ed |
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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; IV 25–50 mg/kg q8h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Ceftazidime in cats: IM, IV.
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: Severe gram-negative infections.
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.