Reptile · Testudo horsfieldii · typical adult weight 0.23–0.91 kg
Cefazolin is dosed at 22 mg/kg IM q24h in russian tortoises, per 243. Klaphake E, Gibbons PM, Sladky KK, et al. Reptiles. In: Carpenter JW, eds. Exotic Animal Formulary, 5th ed., Elsevier, St. Louis, MO; 2018:81-166. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.212 — Carpenter's Exotic Animal Formulary 6th ed, Table 4.1 (Antimicrobial Agents Used in Reptiles.a,b). Located 2026-08-05: the only table covering this species in which the drug's own row prints this dose. The copy held is an ebook conversion with no printed page numbers, so the table is the citable location. — SOURCE EDITION: Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929. Cefazolin is used in russian tortoises for Bacterial infection. Routes documented in russian tortoises: IM. A typical adult russian tortoise weighs 0.23–0.91 kg. ExoticRx lists 1 cited dose rule for Cefazolin in russian tortoises, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Ancef, Kefzol
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| IM | 22 mg/kg | q24h | Bacterial infection | Weak | 243. Klaphake E, Gibbons PM, Sladky KK, et al. Reptiles. In: Carpenter JW, eds. Exotic Animal Formulary, 5th ed., Elsevier, St. Louis, MO; 2018:81-166. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.212 — Carpenter's Exotic Animal Formulary 6th ed, Table 4.1 (Antimicrobial Agents Used in Reptiles.a,b). Located 2026-08-05: the only table covering this species in which the drug's own row prints this dose. The copy held is an ebook conversion with no printed page numbers, so the table is the citable location. — SOURCE EDITION: Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929 |
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 |
|---|---|---|---|
| 22 | IM | Carpenter's Exotic Animal Formulary, 6th edTable 4.1 | 22 mg/kg IM q24h |
| 22 | IM | Mader's Reptile and Amphibian Medicine and Surgery, 3rd edTable 127.1 | 22 mg/kg IM q24h264 Chelonians |
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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These ranges are per kg. Enter your russian tortoise's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Inhibits bacterial cell wall synthesis. First-generation cephalosporin with excellent gram-positive coverage. Commonly used for surgical prophylaxis.
Perioperative use common. Adjust dose in renal impairment. Pain at IM injection site.
Species-specific contraindications and adverse-reaction reports for russian tortoises may differ from canine / feline reference data — consult the primary citations listed with each rule.
Cefazolin dose range in russian tortoises, with cited source references: IM 22 mg/kg q24h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Cefazolin in russian tortoises: IM.
Cefazolin is indicated in russian tortoises for: Bacterial infection.
These are general warnings for Cefazolin across species; consult the russian tortoise dosing table above for species-specific guidance. Perioperative use common. Adjust dose in renal impairment. Pain at IM injection site.
Why a species-specific page? Cefazolin pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in russian tortoises — 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.