Reptile · Terrapene carolina · typical adult weight 0.30–0.60 kg
Fenbendazole is dosed at 25–100 mg/kg PO q14d, max 4 treatments in eastern box turtles, per 37. Boyer TH. Essentials of Reptiles: A Guide for Practitioners. Lakewood, CO: AAHA Press; 1998:1-253. | 143. Jacobson ER. Use of chemotherapeutics in reptile medicine. In: Jacobson ER, Kollias GV Jr, eds. Exotic Animals. New York: Churchill Livingstone; 1988:35-48. | 166. Klingenberg RJ. A comparison of fenbendazole and ivermectin for the treatment of nematode parasites in ball pythons, Python regius. Bull Assoc Rept Amph Vet. 1992;2:5-6. — Mined from Mader's Reptile and Amphibian Medicine and Surgery, 3rd Ed, p.1406 (2026-08-01, PENDING REVIEW). Fenbendazole is used in eastern box turtles for nematodes. Routes documented in eastern box turtles: PO. A typical adult eastern box turtle weighs 0.30–0.60 kg. ExoticRx lists 1 cited dose rule for Fenbendazole in eastern box turtles, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Panacur
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| PO | 25–100 mg/kg | q14d, max 4 treatments | nematodes | Moderate | 37. Boyer TH. Essentials of Reptiles: A Guide for Practitioners. Lakewood, CO: AAHA Press; 1998:1-253. | 143. Jacobson ER. Use of chemotherapeutics in reptile medicine. In: Jacobson ER, Kollias GV Jr, eds. Exotic Animals. New York: Churchill Livingstone; 1988:35-48. | 166. Klingenberg RJ. A comparison of fenbendazole and ivermectin for the treatment of nematode parasites in ball pythons, Python regius. Bull Assoc Rept Amph Vet. 1992;2:5-6. — Mined from Mader's Reptile and Amphibian Medicine and Surgery, 3rd Ed, p.1406 (2026-08-01, PENDING REVIEW) |
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These ranges are per kg. Enter your eastern box turtle's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Binds to beta-tubulin, inhibiting microtubule polymerization in parasites. Disrupts energy metabolism and cell division.
Very wide safety margin. Rarely causes vomiting or diarrhea. Safe in pregnant animals at standard doses. Must be given for multiple consecutive days for efficacy.
Species-specific contraindications and adverse-reaction reports for eastern box turtles may differ from canine / feline reference data — consult the primary citations listed with each rule.
Fenbendazole dose range in eastern box turtles, with cited source references: PO 25–100 mg/kg q14d, max 4 treatments. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Fenbendazole in eastern box turtles: PO.
Fenbendazole is indicated in eastern box turtles for: nematodes.
These are general warnings for Fenbendazole across species; consult the eastern box turtle dosing table above for species-specific guidance. Very wide safety margin. Rarely causes vomiting or diarrhea. Safe in pregnant animals at standard doses. Must be given for multiple consecutive days for efficacy.
Why a species-specific page? Fenbendazole pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in eastern box turtles — 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.