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Bacterial Infections in Russian Tortoises

Reptile · Testudo horsfieldii · typical adult weight 0.23–0.91 kg

5 cited drugs treat Bacterial Infections in russian tortoises: Amoxicillin, Cefazolin, Cefotaxime, Metronidazole, Oxytetracycline.

General coverage of susceptible bacterial pathogens. Drug selection turns on the suspected organism's gram-stain, the patient's species (oral β-lactams unsafe in rabbits/guinea pigs), and the infection site (penetration to bone, CSF, or biliary tree).

The overview above describes Bacterial Infections across species; the citations below are the ExoticRx dose rules scoped to russian tortoises — a reference list, not new species-specific clinical guidance.

Amoxicillin(Amoxi-Tabs, Amoxil)

Antibiotic
RouteDoseFrequencyIndicationEvidenceSource
PO22 mg/kgq12-24hBacterial infection (used with an aminoglycoside)Weak107. Divers SJ. Empirical doses of antimicrobial drugs commonly used in reptiles. Exot DVM. 1998;1:23. — 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). The copy held is an ebook conversion with no printed page numbers, so the table — not the page — is the citable location. — SOURCE EDITION: Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929
PO, IM5–10 mg/kgq12-24hBacterial infectionWeak184. Hedley J. BSAVA Small Animal Formulary: Exotic Pets, British Small Animal Veterinary Association, Quedgeley, UK; 2020. — 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). The copy held is an ebook conversion with no printed page numbers, so the table — not the page — is the citable location. — SOURCE EDITION: BSAVA Small Animal Formulary, Part B — Exotic Pets — ISBN 9781910443712, https://openlibrary.org/isbn/9781910443712; Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929

Cefazolin(Ancef, Kefzol)

Antibiotic
RouteDoseFrequencyIndicationEvidenceSource
IM22 mg/kgq24hBacterial infectionWeak243. 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

Cefotaxime(Claforan)

Antibiotic
RouteDoseFrequencyIndicationEvidenceSource
IM20–40 mg/kgq24hBacterial infectionWeak243. 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.213 — 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

Metronidazole(Flagyl)

Antibiotic
RouteDoseFrequencyIndicationEvidenceSource
PO20–50 mg/kgq 1–2 dBacterial infectionsWeakMerck Veterinary Manual. Antimicrobial Drugs Used in Reptiles (dosing table). Rahway (NJ): Merck & Co.; accessed 2026. URL: https://www.merckvetmanual.com/multimedia/table/antimicrobial-drugs-used-in-reptiles

Oxytetracycline(Terramycin, Liquamycin)

Antibiotic
RouteDoseFrequencyIndicationEvidenceSource
PO, IM, IV6–10 mg/kgq24hBacterial infectionWeak107. Divers SJ. Empirical doses of antimicrobial drugs commonly used in reptiles. Exot DVM. 1998;1:23. | 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.218 — 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

Sourced from published veterinary references; awaiting credentialed clinical reviewer. See our editorial process. Reference only — not veterinary advice. Verify against current literature before clinical use.