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. — Source: Mader's Reptile and Amphibian Medicine and Surgery, 3rd Ed, p.1406 — SOURCE EDITION: Mader's Reptile and Amphibian Medicine and Surgery (Divers & Stahl) — ISBN 9780323482530, https://openlibrary.org/isbn/9780323482530. 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. — Source: Mader's Reptile and Amphibian Medicine and Surgery, 3rd Ed, p.1406 — SOURCE EDITION: Mader's Reptile and Amphibian Medicine and Surgery (Divers & Stahl) — ISBN 9780323482530, https://openlibrary.org/isbn/9780323482530 |
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 |
|---|---|---|---|
| 25–100 | PO | Mader's Reptile and Amphibian Medicine and Surgery, 3rd edTable 127.4 | 25-100 mg/kg PO q14d for up to 4 treatments37,143,166 All species/nematodes |
| 30–50 | — | Mader's Reptile and Amphibian Medicine and Surgery, 3rd edTable 128.2 | 30-50 mg/kg PO52 Gastrointestinal nematodes |
| 50 | PO | Mader's Reptile and Amphibian Medicine and Surgery, 3rd edTable 128.2 | 50 mg/kg PO q24h × 3-5 days, repeat in 14-21 days52 Gastrointestinal nematodes |
| 50–100 | — | Mader's Reptile and Amphibian Medicine and Surgery, 3rd edTable 128.2 | 50-100 mg/kg PO36 repeat in 2-3 wk prn Most species/gastrointestinal nematodes |
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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.
| 100 | PO | Mader's Reptile and Amphibian Medicine and Surgery, 3rd edTable 128.2 | (F) 100 mg/kg PO, repeat in 10-14 days + (M) 10 mg/k PO q24h for 5 days52 g Concurrent gastrointestinal nematodes and protozoa |
| 0.2 | PO | Mader's Reptile and Amphibian Medicine and Surgery, 3rd edTable 128.2 | (F) 100 mg/kg PO on day 1, then (I) 0.2 mg/kg PO on days 2,1152 Gastrointestinal nematodes |
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.