Eprinomectin (Pour-On) for Cattle
Livestock · Bos taurus · typical adult weight 250.00–900.00 kg
Eprinomectin (Pour-On) is used in cattle for Internal and external parasites, GI nematodes, lungworms, grubs, lice. Routes documented in cattle: TOPICAL. A typical adult cattle weighs 250.00–900.00 kg. ExoticRx lists 2 cited dose rules for Eprinomectin (Pour-On) in cattle, drawn from published veterinary references. Verify against current literature before clinical use.
Trade names: Eprinex, Ivomec Eprinex
Dose ranges
Need the exact dose for your patient?
These ranges are per kg. Enter your cattle's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Mechanism of action
Macrocyclic lactone that potentiates glutamate-gated chloride channels in nematode and arthropod nerve/muscle cells, causing paralysis and death of parasites.
Side effects & warnings
Zero-day milk and meat withdrawal in dairy cattle at label dose — unique advantage over other avermectins. For topical application along the backline. Not for use in calves under 200 lbs intended for veal.
Species-specific contraindications and adverse-reaction reports for cattle may differ from canine / feline reference data — consult the primary citations listed with each rule.
Other Antiparasitic drugs with cattle dosing
Why a species-specific page? Eprinomectin (Pour-On) 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 published veterinary references; awaiting credentialed clinical reviewer. See our editorial process. Reference only — not veterinary advice.