Voriconazole for Russian Tortoises
Reptile · Testudo horsfieldii · typical adult weight 0.23–0.91 kg
Voriconazole is dosed at 10 mg/kg PO not specified in russian tortoises, per Merck 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. Voriconazole is used in russian tortoises for Fungal infections. Routes documented in russian tortoises: PO. A typical adult russian tortoise weighs 0.23–0.91 kg. ExoticRx lists 1 cited dose rule for Voriconazole in russian tortoises, drawn from published veterinary references. Verify against current literature before clinical use.
Trade names: Vfend
Dose ranges
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| PO | 10 mg/kg | not specified | Fungal infections | Weak | Merck 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 |
Need the exact dose for your patient?
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.
Mechanism of action
Inhibits fungal CYP51 (lanosterol 14-alpha-demethylase), blocking ergosterol synthesis. Broader spectrum than fluconazole including Aspergillus.
Side effects & warnings
Drug of choice for aspergillosis. Hepatotoxic — monitor liver enzymes. Many CYP-mediated drug interactions. Visual disturbances in humans. Non-linear pharmacokinetics in some 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.
Frequently asked questions
What is the dose of Voriconazole for Russian Tortoises?
Voriconazole dose range in russian tortoises, with cited source references: PO 10 mg/kg not specified.
How is Voriconazole administered in Russian Tortoises?
Documented routes for Voriconazole in russian tortoises: PO.
What conditions does Voriconazole treat in Russian Tortoises?
Voriconazole is indicated in russian tortoises for: Fungal infections.
What are the side effects of Voriconazole in Russian Tortoises?
These are general warnings for Voriconazole across species; consult the russian tortoise dosing table above for species-specific guidance. Drug of choice for aspergillosis. Hepatotoxic — monitor liver enzymes. Many CYP-mediated drug interactions. Visual disturbances in humans. Non-linear pharmacokinetics in some species.
Other Antifungal drugs with russian tortoise dosing
Voriconazole dosing in other species
Why a species-specific page? Voriconazole 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.