Levamisole Hydrochloride

Antiparasitics

An anthelmintic that acts as an agonist at nicotinic acetylcholine receptors in the muscles of roundworms, causing contraction and spastic paralysis that leads to their expulsion.

Drug class
Antiparasitics
Registered species
2
Recorded effects
0
Related products
9

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 anthelmintic that acts as an agonist at nicotinic acetylcholine receptors in the muscles of roundworms, causing contraction and spastic paralysis that leads to their expulsion.

Indications

  • Gastrointestinal and lung roundworms in ruminants, pigs, and poultry

Contraindications & warnings

  • Relatively narrow safety margin — overdose may cause cholinergic-like symptoms (salivation, tremor)
  • Caution in debilitated or severely ill animals

Drug interactions

  • Its effect may be aggravated with organophosphate compounds and cholinesterase inhibitors

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.
Combinex Cattle Oral Suspension
Oral suspension · Elanco Europe Ltd
SPC leaflet ↗
SpeciesMeatMilkEggs
Cattle56 days——
Levafas Diamond Oral Suspension
Oral suspension · Norbrook Laboratories Limited
SPC leaflet ↗
SpeciesMeatMilkEggs
Cattle5 days——
Sheep5 days——
Levacide Low Volume 7.5% Oral Solution
Oral solution · Norbrook Laboratories Limited
SPC leaflet ↗
SpeciesMeatMilkEggs
Cattle14 days——
Sheep21 days——
Levacide Pour-on Solution 20% w/v
Pour-on solution · Norbrook Laboratories Limited
SPC leaflet ↗
SpeciesMeatMilkEggs
Cattle28 days——
Downland Fluke and Worm Oral Suspension
Oral suspension · Norbrook Laboratories Limited
SPC leaflet ↗
SpeciesMeatMilkEggs
Cattle5 days——
Sheep5 days——
Chanaverm 7.5% Oral Solution
Oral solution · Chanelle Pharmaceuticals Manufacturing Ltd
SPC leaflet ↗
SpeciesMeatMilkEggs
Cattle20 days——
Sheep20 days——
Levacur SC 3% Oral Solution
Oral solution · Chanelle Pharmaceuticals Manufacturing Ltd
SPC leaflet ↗
SpeciesMeatMilkEggs
Cattle20 days——
Sheep20 days——
Levamole 75 mg/ml Oral Solution
Oral solution · Chanelle Pharmaceuticals Manufacturing Ltd
SPC leaflet ↗
SpeciesMeatMilkEggs
Cattle20 days——
Sheep20 days——
Combinex Oral Suspension
Oral suspension · Elanco GmbH
SPC leaflet ↗
SpeciesMeatMilkEggs
Sheep56 days——

Recorded adverse effects

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

No adverse-effect data recorded for this ingredient yet.