Eprinomectin

Antiparasitics

An endectocide of the macrocyclic lactone (avermectin) class. It binds to glutamate-gated chloride channels in parasites, paralyzing and killing them. It is notable for very low transfer into milk, making it suitable for dairy cattle.

Drug class
Antiparasitics
Registered species
3
Recorded effects
0
Related products
2

Pharmacological information

A class-level scientific overview for general reference — no doses. The ultimate reference is always the locally approved product leaflet and consultation with a veterinarian.

Mechanism of action

An endectocide of the macrocyclic lactone (avermectin) class. It binds to glutamate-gated chloride channels in parasites, paralyzing and killing them. It is notable for very low transfer into milk, making it suitable for dairy cattle.

Indications

  • Gastrointestinal and lung roundworms
  • Mange, lice, and susceptible warbles

Contraindications & warnings

  • Not used in species not authorized on the label
  • Toxic to aquatic organisms — avoid contaminating water

Drug interactions

  • Its neurological effect may be aggravated by drugs that enhance GABA activity

Withdrawal periods

Note: Source: UK Veterinary Medicines Directorate (VMD). The figures are a guidance reference that may differ from the product registered in your country — always verify the locally approved leaflet and consult a veterinarian before slaughter or consuming products.
Neoprinil Pour-on 5 mg/ml Pour-on Solution for Cattle
Pour-on solution · Virbac
SPC leaflet ↗
SpeciesMeatMilkEggs
Cattle15 dayszero—
Eprecis 20 mg/ml Solution for Injection for Cattle, Sheep and Goats
Solution for injection · Ceva Sante Animale
SPC leaflet ↗
SpeciesMeatMilkEggs
Cattle63 dayszero—
Sheep42 dayszero—
Goats42 dayszero—

Recorded adverse effects

openFDA veterinary reports — the numbers are report counts, not a severity rate.

No adverse-effect data recorded for this ingredient yet.