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Bacterial Infections in Red-eared Sliders

Reptile · Trachemys scripta elegans · typical adult weight 0.20–2.20 kg

10 cited drugs treat Bacterial Infections in red-eared sliders: Amikacin, Ampicillin, Cefazolin, Cefovecin, Ceftazidime, Ceftiofur, Gentamicin, Marbofloxacin, Tobramycin, Vitamin C (Ascorbic Acid).

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 red-eared sliders — a reference list, not new species-specific clinical guidance.

Amikacin(Amiglyde-V, Amikin)

Antibiotic
RouteDoseFrequencyIndicationEvidenceSource
SC5–10 mg/kgsingle dose studiedGram-negative bacterial infection (aminoglycoside)ModerateHiebert K, Knych H, Hawkins S. Subcutaneous amikacin administration in red-eared sliders (Trachemys scripta elegans) produces prolonged detectable plasma concentrations without biochemistry evidence of impaired renal function. Am J Vet Res. 2024;85(9):ajvr.24.03.0088. doi:10.2460/ajvr.24.03.0088 https://europepmc.org/abstract/MED/38901454

Ampicillin(Polyflex)

Antibiotic
RouteDoseFrequencyIndicationEvidenceSource
SC, IM50 mg/kgq12hBacterial infectionWeakSchumacher J. Respiratory medicine of reptiles. Vet Clin North Am Exot Anim Pract. 2011;14:207-224. — Source: Mader's Reptile and Amphibian Medicine and Surgery, 3rd Ed, p.1401 — SOURCE EDITION: Mader's Reptile and Amphibian Medicine and Surgery (Divers & Stahl) — ISBN 9780323482530, https://openlibrary.org/isbn/9780323482530

Cefazolin(Ancef, Kefzol)

Antibiotic
RouteDoseFrequencyIndicationEvidenceSource
IM22 mg/kgq24hBacterial infection (first-generation cephalosporin)WeakKlaphake 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

Cefovecin(Convenia)

Antibiotic
RouteDoseFrequencyIndicationEvidenceSource
SC10 mg/kgq24hBacterial infection (long-acting cephalosporin)ModerateSypniewski LA, Maxwell LK, Murray JK, et al. Cefovecin pharmacokinetics in the red-eared slider. J Exot Pet Med. 2017;26:108-113. — Source: Mader's Reptile and Amphibian Medicine and Surgery, 3rd Ed, p.1402 doi:10.1053/j.jepm.2017.01.027 — SOURCE EDITION: Mader's Reptile and Amphibian Medicine and Surgery (Divers & Stahl) — ISBN 9780323482530, https://openlibrary.org/isbn/9780323482530

Ceftazidime(Fortaz)

Antibiotic
RouteDoseFrequencyIndicationEvidenceSource
IM20 mg/kgq5dBacterial infection (gram-negative, incl. Pseudomonas)ModerateCerreta AJ, Lewbart GA, Dise DR, et al. Population pharmacokinetics of ceftazidime after a single intramuscular injection in wild turtles. J Vet Pharmacol Ther. 2018;41:495-501. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.213 doi:10.1111/jvp.12500 — 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; Invertebrate Medicine — ISBN 9781119569435, https://openlibrary.org/isbn/9781119569435
SC20–40 mg/kgsingle dose studiedGram-negative bacterial infection (empiric third-generation cephalosporin)StrongHiebert K, Cox S, Hawkins S. Subcutaneous administration of ceftazidime at 20 and 40 mg/kg produces theoretically therapeutic plasma concentrations for at least 120 hours in red-eared sliders (Trachemys scripta elegans). Am J Vet Res. 2024;85(5):ajvr.23.11.0265. doi:10.2460/ajvr.23.11.0265 https://europepmc.org/abstract/MED/38412607

Ceftiofur(Excenel, Excede, Naxcel)

Antibiotic
RouteDoseFrequencyIndicationEvidenceSource
IM2.2 mg/kgq24hBacterial infectionWeakDivers SJ. Empirical doses of antimicrobial drugs commonly used in reptiles. Exot DVM. 1998;1:23. — Source: Mader's Reptile and Amphibian Medicine and Surgery, 3rd Ed, p.1402 — SOURCE EDITION: Mader's Reptile and Amphibian Medicine and Surgery (Divers & Stahl) — ISBN 9780323482530, https://openlibrary.org/isbn/9780323482530

Gentamicin(Gentocin)

Antibiotic
RouteDoseFrequencyIndicationEvidenceSource
IM6 mg/kgq72-96hBacterial infection (aminoglycoside)ModerateRaphael B, Clark CH, Hudson R Jr. Plasma concentration of gentamicin in turtles. J Zoo Anim Med. 1985;16:136-139. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.217 doi:10.2307/20094769 — 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

Marbofloxacin(Zeniquin)

Antibiotic
RouteDoseFrequencyIndicationEvidenceSource
IM2 mg/kgnot stated in source (single-dose study)Bacterial infection (fluoroquinolone)StrongLai OR, Marín P, Laricchiuta P, Gelli D, Escudero E, Crescenzo G. Pharmacokinetics of injectable marbofloxacin after intravenous and intramuscular administration in red-eared sliders (Trachemys scripta elegans). J Vet Pharmacol Ther. 2020;43(2):129-134. doi:10.1111/jvp.12803 https://europepmc.org/abstract/MED/31393637 — INTERVAL IS PRINTED: Mader's Reptile Medicine and Surgery 3rd ed, Table 116.7 ("Peer-Reviewed Fluoroquinolones Pharmacokinetic Data in Reptile Species to Utilize in Clinical Practice"), printed p.1152 — red-eared slider, 2 mg/kg, IV and IM, "Recommended Frequency of Administration 24 hrs".
IM, IV2 mg/kgnot stated in sourceBacterial infection (fluoroquinolone)ModerateLai OR, Marin P, Laricchiuta P, et al. Pharmacokinetics of injectable marbofloxacin after intravenous and intramuscular administration in red-eared sliders (Trachemys scripta elegans). J Vet Pharmacol Ther. 2020;43:129-134. — 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). The copy held is an ebook conversion with no printed page numbers, so the table — not the page — is the citable location. — CORROBORATED 2026-08-06 by independent literature: Pharmacokinetics of injectable marbofloxacin after intravenous and intramuscular administration in red-eared sliders (Trachemys scripta elegans). (Journal of veterinary pharmacology and therapeutics, 2020). doi:10.1111/jvp.12803. https://doi.org/10.1111/jvp.12803. The paper reports this drug at this dose in this species: "of their broad spectrum of activity including the most frequent pathogens of these species. The […]". This is a second source alongside the book already cited; it corroborates the figure and does not by itself establish that the dose is correct. — SOURCE EDITION: Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929; Veterinary Pharmacology and Therapeutics — ISBN 9781118855829, https://openlibrary.org/isbn/9781118855829 — INTERVAL IS PRINTED: Mader's Reptile Medicine and Surgery 3rd ed, Table 116.7 ("Peer-Reviewed Fluoroquinolones Pharmacokinetic Data in Reptile Species to Utilize in Clinical Practice"), printed p.1152 — red-eared slider, 2 mg/kg, IV and IM, "Recommended Frequency of Administration 24 hrs".

Tobramycin

Uncategorized
RouteDoseFrequencyIndicationEvidenceSource
IM10 mg/kgq24-48hBacterial infection (aminoglycoside)WeakDivers SJ. Empirical doses of antimicrobial drugs commonly used in reptiles. Exot DVM. 1998;1:23. — Source: Mader's Reptile and Amphibian Medicine and Surgery, 3rd Ed, p.1404 — SOURCE EDITION: Mader's Reptile and Amphibian Medicine and Surgery (Divers & Stahl) — ISBN 9780323482530, https://openlibrary.org/isbn/9780323482530
RouteDoseFrequencyIndicationEvidenceSource
SC, IM10–20 mg/kgq24hHypovitaminosis C; stomatitis; supportive therapy for bacterial infectionsWeakFraser MA, Girling SJ. Dermatology. In: Girling SJ, Raiti P, eds. BSAVA Manual of Reptiles, 2nd ed., British Small Animal Veterinary Association, Quedgeley, UK; 2004:184-198. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.268 — Carpenter's Exotic Animal Formulary 6th ed, Table 4.9 (Nutritional/Mineral/Fluid Support Used in Reptiles.a). 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 A — Canine and Feline — ISBN 9781910443705, https://openlibrary.org/isbn/9781910443705; 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.