Reptile · Testudo horsfieldii · typical adult weight 0.23–0.91 kg
Nystatin is dosed at 100000 U/kg PO q24h × 10 days in russian tortoises, per 63. Carpenter JW, Klaphake E, Gibbons PM, et al. Reptile formulary. In: Divers SJ, Stahl SJ, eds. Mader's Reptile and Amphibian Medicine and Surgery, 3rd ed., Elsevier, St. Louis, MO; 2019:1191-1211. — Mined from Carpenter's Exotic Animal Formulary, 6th Ed, p.222 (2026-08-01, PENDING REVIEW). Nystatin is used in russian tortoises for Enteric yeast infection. Routes documented in russian tortoises: PO. A typical adult russian tortoise weighs 0.23–0.91 kg. ExoticRx lists 1 cited dose rule for Nystatin in russian tortoises, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Mycostatin
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| PO | 100000 U/kg | q24h × 10 days | Enteric yeast infection | Weak | 63. Carpenter JW, Klaphake E, Gibbons PM, et al. Reptile formulary. In: Divers SJ, Stahl SJ, eds. Mader's Reptile and Amphibian Medicine and Surgery, 3rd ed., Elsevier, St. Louis, MO; 2019:1191-1211. — Mined from Carpenter's Exotic Animal Formulary, 6th Ed, p.222 (2026-08-01, PENDING REVIEW) |
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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.
Binds ergosterol in fungal cell membranes causing membrane disruption and cell death. Not absorbed from GI tract.
Not absorbed systemically — effective only for local/topical or GI tract infections. Bitter taste may reduce compliance. Safe in most species.
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.
Nystatin dose range in russian tortoises, with cited source references: PO 100000 U/kg q24h × 10 days. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Nystatin in russian tortoises: PO.
Nystatin is indicated in russian tortoises for: Enteric yeast infection.
These are general warnings for Nystatin across species; consult the russian tortoise dosing table above for species-specific guidance. Not absorbed systemically — effective only for local/topical or GI tract infections. Bitter taste may reduce compliance. Safe in most species.
Why a species-specific page? Nystatin 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.