Dog · Canis lupus familiaris · typical adult weight 2.00–80.00 kg
Ceftazidime is dosed at 25 mg/kg IM q8h in dogs, per Plumb's Veterinary Drug Handbook, 10th ed (2023), Ceftazidime, printed p.220, DOGS item 2 — '25 mg/kg IM, SC every 8 hours'. Superscript 3 = Monfrinotti A, Ambros L, Prados AP, Kreil V, Rebuelto M. Pharmacokinetics of ceftazidime after intravenous, intramuscular and subcutaneous administration to dogs. J Vet Pharmacol Ther. 2010;33(2):204-207 (resolved in the Plumb's companion reference archive). Ceftazidime is used in dogs for Severe Pseudomonas infections, Severe Pseudomonas and gram-negative infections, Susceptible Pseudomonas aeruginosa infections (extra-label) — reserved use. Routes documented in dogs: IM, IV, SC. A typical adult dog weighs 2.00–80.00 kg. ExoticRx lists 3 cited dose rules for Ceftazidime in dogs, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Fortaz
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| IM | 25 mg/kg | q8h | 7-14 days | Severe Pseudomonas infections | Moderate | Plumb's Veterinary Drug Handbook, 10th ed (2023), Ceftazidime, printed p.220, DOGS item 2 — '25 mg/kg IM, SC every 8 hours'. Superscript 3 = Monfrinotti A, Ambros L, Prados AP, Kreil V, Rebuelto M. Pharmacokinetics of ceftazidime after intravenous, intramuscular and subcutaneous administration to dogs. J Vet Pharmacol Ther. 2010;33(2):204-207 (resolved in the Plumb's companion reference archive). |
| IV | 20 mg/kg | q8h | 7-14 days | Severe Pseudomonas and gram-negative infections | Moderate | Plumb's Veterinary Drug Handbook, 10th ed (2023) — Ceftazidime, Dosages, DOGS, item 2; the entry's superscript 3 is Monfrinotti et al., PK of ceftazidime after IV, IM and SC administration to dogs, J Vet Pharmacol Ther 2010;33(2):204-207. — Plumb's 10th ed printed p.220, Ceftazidime monograph spanning p.219-220.Compilation only — we have not located an independent source that prints this figure. |
| SC | 25 mg/kg | q8h | 7-14 days | Susceptible Pseudomonas aeruginosa infections (extra-label) — reserved use | Moderate | Plumb's Veterinary Drug Handbook, 10th ed (2023) — Ceftazidime, Dosages, DOGS, item 2; superscript 3 = Monfrinotti et al., J Vet Pharmacol Ther 2010;33(2):204-207 (IV, IM and SC PK in dogs). — Plumb's 10th ed printed p.219, Ceftazidime monograph spanning p.219-220. — Plumb's Veterinary Drug Handbook, 10th ed, Ceftazidime monograph, Dosages, printed p.220, DOGS: "Susceptible Pseudomonas aeruginosa infections (extra-label):. ceftazidime administered at 20 […]" Same heading, entry 1: "ceftazidime should be reserved for those dogs with P aeruginosa isolates that are resistant to or […]"Compilation only — we have not located an independent source that prints this figure. |
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 |
|---|---|---|---|
| 30 | IV | BSAVA Small Animal Formulary, 10th ed — Part A (Canine and Feline)p.87 | 30 mg/kg i.v, i.m., s.c. q8h. Increased frequency for susceptible infections with Pseudomonas aeru |
| 4.4 | — | BSAVA Small Animal Formulary, 10th ed — Part A (Canine and Feline)p.87 | Pseudomonas aeruginosa q4h or as CRI with a loading dose of 4.4 mg/kg followed by 4.1 mg/kg/h |
| 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), |
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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 dogs may differ from canine / feline reference data — consult the primary citations listed with each rule.
Ceftazidime dose ranges in dogs, with cited source references: IM 25 mg/kg q8h; IV 20 mg/kg q8h; SC 25 mg/kg q8h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Ceftazidime in dogs: IM, IV, SC.
Cited course lengths for Ceftazidime in dogs include: 7-14 days. Duration depends on the indication — match it to the specific dose rule in the table above.
Ceftazidime is indicated in dogs for: Severe Pseudomonas infections, Severe Pseudomonas and gram-negative infections, Susceptible Pseudomonas aeruginosa infections (extra-label) — reserved use.
These are general warnings for Ceftazidime across species; consult the dog 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 dogs — 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.
| 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.