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Oxfendazole for Cattle

Oxfendazole is used in cattle for ascarids, GI nematodes, lungworms, Nematode infections. Routes documented in cattle: PO. ExoticRx tracks Oxfendazole dosing for cattle from primary veterinary literature; sign in to view the full rule set. Verify against current literature before clinical use.

Trade names: Synanthic, Benzelmin

Dose rules — sign in to view

Cited dose rules for Oxfendazole in cattle are available with a free ExoticRx account. Each row carries the route, dose range, frequency, indication, evidence level, and primary-source citation.

Sources include: Carpenter's Exotic Animal Formulary, 6th Ed; FDA NADA Label

Mechanism of action

Active metabolite of febantel; inhibits microtubule polymerization by binding parasite beta-tubulin. Broad-spectrum nematocidal.

Side effects & warnings

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 cattle may differ from canine / feline reference data — consult the primary citations listed with each rule.

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 cattle — the rules above are the citations specific to this species, not generic recommendations.

Sourced from primary literature; awaiting credentialed clinical reviewer. See our editorial process. Reference only — not veterinary advice.