Equine · Equus caballus · typical adult weight 350.00–700.00 kg
Oxfendazole is dosed at 10 mg/kg PO Once in horses, per Roberson EL. Antinematodal agents. In: Veterinary Pharmacology and Therapeutics. Iowa State University Press; 1988:882-927. — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.993 (2026-08-01).. Oxfendazole is used in horses for Strongyles, ascarids, pinworms. Routes documented in horses: PO. A typical adult horse weighs 350.00–700.00 kg. ExoticRx lists 1 cited dose rule for Oxfendazole in horses, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Synanthic, Benzelmin
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 10 mg/kg | Once | Single dose | Strongyles, ascarids, pinworms | Strong | Roberson EL. Antinematodal agents. In: Veterinary Pharmacology and Therapeutics. Iowa State University Press; 1988:882-927. — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.993 (2026-08-01). |
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These ranges are per kg. Enter your horse'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 horses may differ from canine / feline reference data — consult the primary citations listed with each rule.
Oxfendazole dose range in horses, with cited source references: PO 10 mg/kg Once. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Oxfendazole in horses: PO.
Cited course lengths for Oxfendazole in horses include: Single dose. Duration depends on the indication — match it to the specific dose rule in the table above.
Oxfendazole is indicated in horses for: Strongyles, ascarids, pinworms.
These are general warnings for Oxfendazole across species; consult the horse 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 horses — 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.