Moxidectin

Antiparasitics

An endectocide (internal and external antiparasitic) of the macrocyclic lactone (milbemycin) class. It binds to glutamate-gated chloride channels in the nerve and muscle cells of parasites, causing paralysis and death. It is effective against roundworms and arthropods.

Drug class
Antiparasitics
Registered species
5
Recorded effects
16
Related products
20

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 (internal and external antiparasitic) of the macrocyclic lactone (milbemycin) class. It binds to glutamate-gated chloride channels in the nerve and muscle cells of parasites, causing paralysis and death. It is effective against roundworms and arthropods.

Indications

  • Gastrointestinal and lung roundworms
  • Mange, lice, and susceptible external parasites

Contraindications & warnings

  • Some dog breeds (such as collies and those with the MDR1 mutation) are more sensitive to neurotoxicity
  • Not used in species not authorized on the label

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.
Tauramox 5 mg/ml Pour-On Solution for Cattle
Pour-on solution · Norbrook Laboratories Limited
SPC leaflet ↗
SpeciesMeatMilkEggs
Cattle14 days6 days—
Moxidectin EU Pharmaceuticals 5 mg/ml Pour-on Solution for Cattle
Pour-on solution · Chanelle Pharmaceuticals Manufacturing Ltd
SPC leaflet ↗
SpeciesMeatMilkEggs
Cattle14 days6 days—
Ridamec 5 mg/ml Pour-on Solution for Cattle
Pour-on solution · Chanelle Pharmaceuticals Manufacturing Ltd
SPC leaflet ↗
SpeciesMeatMilkEggs
Cattle14 days6 days—
Unomox 5 mg/ml Pour-on Solution for Cattle
Pour-on solution · Chanelle Pharmaceuticals Manufacturing Ltd
SPC leaflet ↗
SpeciesMeatMilkEggs
Cattle14 days6 days—
Moxidectin (EU Pharmaceuticals) 1 mg/ml Oral Solution for Sheep
Oral solution · Chanelle Pharmaceuticals Manufacturing Ltd
SPC leaflet ↗
SpeciesMeatMilkEggs
Sheep14 days5 days—
Ovimox 1 mg/ml Oral Solution for Sheep
Oral solution · Chanelle Pharmaceuticals Manufacturing Ltd
SPC leaflet ↗
SpeciesMeatMilkEggs
Sheep14 days5 days—
Bovimox 5 mg/ml Pour-on Solution for Cattle
Pour-on solution · Chanelle Pharmaceuticals Manufacturing Ltd
SPC leaflet ↗
SpeciesMeatMilkEggs
Cattle14 days6 days—
Moxodex 5 mg/ml Pour-on Solution for Cattle
Pour-on solution · Chanelle Pharmaceuticals Manufacturing Ltd
SPC leaflet ↗
SpeciesMeatMilkEggs
Cattle14 days6 days—
Cydectin TriclaMox 1 mg/ml + 50 mg/ml Oral Solution for Sheep
Oral solution · Zoetis UK Limited
SPC leaflet ↗
SpeciesMeatMilkEggs
Sheep31 days——
Cydectin TriclaMox 5 mg/ml + 200 mg/ml Pour-on Solution for Cattle
Pour-on solution · Zoetis UK Limited
SPC leaflet ↗
SpeciesMeatMilkEggs
Cattle143 days——
Cydectin 10% LA Solution for Injection for Cattle
Solution for injection · Zoetis UK Limited
SPC leaflet ↗
SpeciesMeatMilkEggs
Cattle108 days——
Cydectin 20 mg/ml LA Solution for Injection for Sheep
Solution for injection · Zoetis UK Limited
SPC leaflet ↗
SpeciesMeatMilkEggs
Sheep104 days——
Cydectin 0.5% w/v Pour-on for Cattle
Pour-on solution · Zoetis UK Limited
SPC leaflet ↗
SpeciesMeatMilkEggs
Cattle14 days6 days—
Cydectin 0.1% w/v Oral Solution for Sheep
Oral solution · Zoetis UK Limited
SPC leaflet ↗
SpeciesMeatMilkEggs
Sheep14 days5 days—
Equest Pramox 19.5 mg/g + 121.7 mg/g Oral Gel
Oral gel · Zoetis UK Limited
SPC leaflet ↗
SpeciesMeatMilkEggs
Horses64 days——
Zermex 0.1% w/v Oral Solution for Sheep
Oral solution · Zoetis UK Limited
SPC leaflet ↗
SpeciesMeatMilkEggs
Sheep14 days5 days—
Zermex 0.5% w/v Pour-on Solution for Cattle
Pour-on solution · Zoetis UK Limited
SPC leaflet ↗
SpeciesMeatMilkEggs
Cattle14 days6 days—
Zermex 100 mg/ml LA Solution for Injection for Cattle
Solution for injection · Zoetis UK Limited
SPC leaflet ↗
SpeciesMeatMilkEggs
Cattle———
Zermex 20 mg/ml LA Solution for Injection for Sheep
Solution for injection · Zoetis UK Limited
SPC leaflet ↗
SpeciesMeatMilkEggs
Sheep———
MoxiSolv 18.92 mg/g Oral Gel for Horses and Ponies
Oral gel · Bimeda Animal Health Limited
SPC leaflet ↗
SpeciesMeatMilkEggs
Horses32 days——

Recorded adverse effects

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

Dogs

Vomiting11,618
Lack of efficacy (endoparasite) - heartworm9,096
Lethargy (see also Central nervous system depression in 'Neurological')5,086
Anaphylaxis4,929
Lack of efficacy (endoparasite) - hookworm4,509
Diarrhoea4,207
Facial swelling (see also 'Skin')3,711
INEFFECTIVE, HEARTWORM LARVAE2,893

Cats

Lack of efficacy (ectoparasite) - flea968
Lethargy (see also Central nervous system depression in 'Neurological')951
Hypersalivation864
Behavioural disorder NOS813
Application site alopecia775
Pruritus766
Vomiting460
Anorexia438

Related products

Tauramox 5 mg/ml Pour-On Solution for Cattle
Pour-on solution · Norbrook Laboratories Limited
→
Moxidectin EU Pharmaceuticals 5 mg/ml Pour-on Solution for Cattle
Pour-on solution · Chanelle Pharmaceuticals Manufacturing Ltd
→
Ridamec 5 mg/ml Pour-on Solution for Cattle
Pour-on solution · Chanelle Pharmaceuticals Manufacturing Ltd
→
Unomox 5 mg/ml Pour-on Solution for Cattle
Pour-on solution · Chanelle Pharmaceuticals Manufacturing Ltd
→
Moxidectin (EU Pharmaceuticals) 1 mg/ml Oral Solution for Sheep
Oral solution · Chanelle Pharmaceuticals Manufacturing Ltd
→
Ovimox 1 mg/ml Oral Solution for Sheep
Oral solution · Chanelle Pharmaceuticals Manufacturing Ltd
→
Bovimox 5 mg/ml Pour-on Solution for Cattle
Pour-on solution · Chanelle Pharmaceuticals Manufacturing Ltd
→
Moxodex 5 mg/ml Pour-on Solution for Cattle
Pour-on solution · Chanelle Pharmaceuticals Manufacturing Ltd
→
Cydectin TriclaMox 1 mg/ml + 50 mg/ml Oral Solution for Sheep
Oral solution · Zoetis UK Limited
→
Cydectin TriclaMox 5 mg/ml + 200 mg/ml Pour-on Solution for Cattle
Pour-on solution · Zoetis UK Limited
→
Cydectin 10% LA Solution for Injection for Cattle
Solution for injection · Zoetis UK Limited
→
Cydectin 20 mg/ml LA Solution for Injection for Sheep
Solution for injection · Zoetis UK Limited
→
Cydectin 0.5% w/v Pour-on for Cattle
Pour-on solution · Zoetis UK Limited
→
Cydectin 0.1% w/v Oral Solution for Sheep
Oral solution · Zoetis UK Limited
→
Equest Pramox 19.5 mg/g + 121.7 mg/g Oral Gel
Oral gel · Zoetis UK Limited
→
Zermex 0.1% w/v Oral Solution for Sheep
Oral solution · Zoetis UK Limited
→
Zermex 0.5% w/v Pour-on Solution for Cattle
Pour-on solution · Zoetis UK Limited
→
Zermex 100 mg/ml LA Solution for Injection for Cattle
Solution for injection · Zoetis UK Limited
→
Zermex 20 mg/ml LA Solution for Injection for Sheep
Solution for injection · Zoetis UK Limited
→
MoxiSolv 18.92 mg/g Oral Gel for Horses and Ponies
Oral gel · Bimeda Animal Health Limited
→

Sources

Moxidectin — Baytara