Reptile · Trachemys scripta elegans · typical adult weight 0.20–2.20 kg
Marbofloxacin is dosed at 2 mg/kg IM not stated in source (single-dose study) in red-eared sliders, per Lai 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".. Marbofloxacin is used in red-eared sliders for Bacterial infection (fluoroquinolone). Routes documented in red-eared sliders: IM, IM, IV. A typical adult red-eared slider weighs 0.20–2.20 kg. ExoticRx lists 2 cited dose rules for Marbofloxacin in red-eared sliders, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Zeniquin
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| IM | 2 mg/kg | not stated in source (single-dose study) | Bacterial infection (fluoroquinolone) | Strong | Lai 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, IV | 2 mg/kg | not stated in source | Bacterial infection (fluoroquinolone) | Moderate | Lai 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". |
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 |
|---|---|---|---|
| 2 | IM | Carpenter's Exotic Animal Formulary, 6th edTable 4.1 | 2 mg/kg IM, IV q24h |
| 2 | ICE | Carpenter's Exotic Animal Formulary, 6th edTable 4.1 | 2 mg/kg ICe |
| 2 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 4.1 | 2 mg/kg PO |
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 red-eared slider's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Inhibits bacterial DNA gyrase and topoisomerase IV, preventing DNA replication. Concentration-dependent bactericidal.
Avoid in growing animals (cartilage damage). May lower seizure threshold. Avoid concurrent NSAIDs in dehydrated patients.
Species-specific contraindications and adverse-reaction reports for red-eared sliders may differ from canine / feline reference data — consult the primary citations listed with each rule.
Marbofloxacin dose ranges in red-eared sliders, with cited source references: IM 2 mg/kg not stated in source (single-dose study); IM, IV 2 mg/kg not stated in source. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Marbofloxacin in red-eared sliders: IM, IM, IV.
Marbofloxacin is indicated in red-eared sliders for: Bacterial infection (fluoroquinolone).
These are general warnings for Marbofloxacin across species; consult the red-eared slider dosing table above for species-specific guidance. Avoid in growing animals (cartilage damage). May lower seizure threshold. Avoid concurrent NSAIDs in dehydrated patients.
Why a species-specific page? Marbofloxacin pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in red-eared sliders — 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.