Reptile · Correlophus ciliatus · typical adult weight 0.04–0.06 kg
Metronidazole is dosed at 20 mg/kg PO q48h in crested geckos, per Funk RS, Diethelm G. Reptile formulary. In: Mader DR, eds. Reptile Medicine and Surgey, 2nd ed., Saunders/Elsevier, St. Louis, MO; 2006:1119-1139. — Mined from Carpenter's Exotic Animal Formulary, 6th Ed, p.218 (2026-08-01, PENDING REVIEW). Metronidazole is used in crested geckos for Anaerobic bacterial infection, Ocular lesions (40 mg/kg) and subcutaneous lesions (200 mg/kg) caused by Trichomonas. Routes documented in crested geckos: PO. A typical adult crested gecko weighs 0.04–0.06 kg. ExoticRx lists 2 cited dose rules for Metronidazole in crested geckos, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Flagyl
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| PO | 20 mg/kg | q48h | Anaerobic bacterial infection | Weak | Funk RS, Diethelm G. Reptile formulary. In: Mader DR, eds. Reptile Medicine and Surgey, 2nd ed., Saunders/Elsevier, St. Louis, MO; 2006:1119-1139. — Mined from Carpenter's Exotic Animal Formulary, 6th Ed, p.218 (2026-08-01, PENDING REVIEW) |
| PO | 40–200 mg/kg | repeat in 14 days | Ocular lesions (40 mg/kg) and subcutaneous lesions (200 mg/kg) caused by Trichomonas | Weak | Miller HA, Brandt PJ, Frye FL, et al. Trichomonas associated with ocular and subcutaneous lesions in geckos. Proc Annu Conf Assoc Rept Amph Vet; 1994:102-107. — Mined from Carpenter's Exotic Animal Formulary, 6th Ed, p.228 (2026-08-01, PENDING REVIEW) |
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These ranges are per kg. Enter your crested gecko's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Disrupts DNA structure in anaerobic organisms via reduction of nitro group, forming cytotoxic intermediates.
Neurotoxicity at high doses or prolonged use (ataxia, seizures). Avoid in pregnant animals. Hepatotoxic at high doses.
Species-specific contraindications and adverse-reaction reports for crested geckos may differ from canine / feline reference data — consult the primary citations listed with each rule.
Metronidazole dose ranges in crested geckos, with cited source references: PO 20 mg/kg q48h; PO 40–200 mg/kg repeat in 14 days. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Metronidazole in crested geckos: PO.
Metronidazole is indicated in crested geckos for: Anaerobic bacterial infection, Ocular lesions (40 mg/kg) and subcutaneous lesions (200 mg/kg) caused by Trichomonas.
These are general warnings for Metronidazole across species; consult the crested gecko dosing table above for species-specific guidance. Neurotoxicity at high doses or prolonged use (ataxia, seizures). Avoid in pregnant animals. Hepatotoxic at high doses.
Why a species-specific page? Metronidazole pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in crested geckos — 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.