Amphibian · Anaxyrus houstonensis · typical adult weight 0.03–0.09 kg
Oxfendazole is dosed at 5 mg/kg oral (p.o.) once in houston toads, per Ramsey I, ed. BSAVA Small Animal Formulary, 10th ed. Part B: Exotic Pets. Gloucester: British Small Animal Veterinary Association; 2023. p.234. — LOCATOR CONVENTION 2026-08-07: the bare 'p.234' in this citation is the PDF index of the held scan, not the printed page. The PRINTED page is p.220; verified by finding the drug named there. If you are holding the book, turn to p.220. — SOURCE EDITION: BSAVA Small Animal Formulary, Part B — Exotic Pets — ISBN 9781910443712, https://openlibrary.org/isbn/9781910443712. Oxfendazole (Antiparasitic) has cited veterinary dosing for houston toads. Routes documented in houston toads: oral (p.o.). A typical adult houston toad weighs 0.03–0.09 kg. ExoticRx lists 1 cited dose rule for Oxfendazole in houston toads, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Synanthic, Benzelmin
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| oral (p.o.) | 5 mg/kg | once | — | Moderate | Ramsey I, ed. BSAVA Small Animal Formulary, 10th ed. Part B: Exotic Pets. Gloucester: British Small Animal Veterinary Association; 2023. p.234. — LOCATOR CONVENTION 2026-08-07: the bare 'p.234' in this citation is the PDF index of the held scan, not the printed page. The PRINTED page is p.220; verified by finding the drug named there. If you are holding the book, turn to p.220. — SOURCE EDITION: BSAVA Small Animal Formulary, Part B — Exotic Pets — ISBN 9781910443712, https://openlibrary.org/isbn/9781910443712 |
Every held source for this drug and species, as printed. Where they differ, both are shown — the choice is yours, not ours.
The sources disagree for this combination. The ranges below do not overlap on a comparable route. This is not an error in one of them — published veterinary references differ, and reconciling them for a particular patient is a clinical judgement.
| Dose (mg/kg) | Route | Source | As printed |
|---|---|---|---|
| 5 | PO | BSAVA Small Animal Formulary, 10th ed — Part B (Exotic Pets)p.234 | 5 mg/kg p.o. once |
| 5 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 3.3 | 5 mg/kg PO |
| 66 | PO | Mader's Reptile and Amphibian Medicine and Surgery, 3rd edTable 127.4 | 66 mg/kg PO once96 Most species/nematodes; may be repeated after 28 days prn |
| 5 | — |
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These ranges are per kg. Enter your houston toad's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Active metabolite of febantel; inhibits microtubule polymerization by binding parasite beta-tubulin. Broad-spectrum nematocidal.
Wide safety margin. Teratogenic potential. Used in cattle, horses, and exotic species. Efficacy against some resistant nematode populations declining.
Species-specific contraindications and adverse-reaction reports for houston toads may differ from canine / feline reference data — consult the primary citations listed with each rule.
Oxfendazole dose range in houston toads, with cited source references: oral (p.o.) 5 mg/kg once. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Oxfendazole in houston toads: oral (p.o.).
These are general warnings for Oxfendazole across species; consult the houston toad dosing table above for species-specific guidance. Wide safety margin. Teratogenic potential. Used in cattle, horses, and exotic species. Efficacy against some resistant nematode populations declining.
Why a species-specific page? Oxfendazole pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in houston toads — 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.
| Mader's Reptile and Amphibian Medicine and Surgery, 3rd edTable 128.3 |
| 5 mg/kg PO52 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.