Livestock · Bos taurus · typical adult weight 250.00–900.00 kg
Eprinomectin (Pour-On) is dosed at 0.5 mg/kg TOPICAL single pour-on application in cattle, per Eprinex Pour-On For Beef And Dairy Cattle- Eprinomectin Solution [US Product Label]. Boehringer Ingelheim Animal Health USA Inc.; 2019. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=7cf8669c-c000-4645-962e-891946c0e54b — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.496 (2026-08-01).. 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.
US trade names: Eprinex, Ivomec Eprinex
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| TOPICAL | 0.5 mg/kg | single pour-on application | — | Internal and external parasites |
| Eprinex Pour-On For Beef And Dairy Cattle- Eprinomectin Solution [US Product Label]. Boehringer Ingelheim Animal Health USA Inc.; 2019. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=7cf8669c-c000-4645-962e-891946c0e54b — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.496 (2026-08-01). |
| TOPICAL | 0.5 mg/kg | Once | Single application | GI nematodes, lungworms, grubs, lice | Strong | Eprinex Pour-On For Beef And Dairy Cattle- Eprinomectin Solution [US Product Label]. Boehringer Ingelheim Animal Health USA Inc.; 2019. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=7cf8669c-c000-4645-962e-891946c0e54b — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.496 (2026-08-01). |
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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.
Macrocyclic lactone that potentiates glutamate-gated chloride channels in nematode and arthropod nerve/muscle cells, causing paralysis and death of parasites.
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.
Eprinomectin (Pour-On) dose ranges in cattle, with cited source references: TOPICAL 0.5 mg/kg single pour-on application; TOPICAL 0.5 mg/kg Once. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Eprinomectin (Pour-On) in cattle: TOPICAL.
Cited course lengths for Eprinomectin (Pour-On) in cattle include: Single application. Duration depends on the indication — match it to the specific dose rule in the table above.
Eprinomectin (Pour-On) is indicated in cattle for: Internal and external parasites, GI nematodes, lungworms, grubs, lice.
These are general warnings for Eprinomectin (Pour-On) across species; consult the cattle dosing table above for species-specific guidance. 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.
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.