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Doramectin (Livestock) for Swine

Doramectin (Livestock) is used in swine for GI nematodes, grubs, Internal and external parasites, lice. Routes documented in swine: SC, IM, Topical (pour-on). ExoticRx tracks Doramectin (Livestock) dosing for swine from primary veterinary literature; sign in to view the full rule set. Verify against current literature before clinical use.

Trade names: Dectomax

Dose rules — sign in to view

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

Sources include: FDA NADA Label

Mechanism of action

Macrocyclic lactone avermectin with broad-spectrum activity against gastrointestinal nematodes, lungworms, grubs, lice, and mange mites. Potentiates glutamate-gated chloride channels.

Side effects & warnings

SC injection in cattle; IM in swine. Not for use in female dairy cattle of breeding age. Observe withdrawal periods (meat: 35 days injectable). Do not use in calves under 200 lbs intended for veal.

Species-specific contraindications and adverse-reaction reports for swine may differ from canine / feline reference data — consult the primary citations listed with each rule.

Why a species-specific page? Doramectin (Livestock) pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in swine — 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.