FieldDx

Drug reference ยท Fenbendazole

FenbendazoleDose, contraindications and adverse effects for Cats, Cattle, Dogs, Goats, Horses, Pigs and Sheep.

What it is used for

Antiparasitic, dewormer. Labeled as Panacur, Safe-Guard. Good safety margin. Treatment and control of intestinal parasites, giardiasis, Angiostrongylus vasorum, Crenosoma vulpis, encysted cyathostomes, and S. vulgaris.

Dose by species

Dose50 mg/kg PO once dailyDogs
Dose10 mg/kg POAll listed species
Dose50 mg/kg PODogs
Dose50 mg/kg q24hDogs
Dose50 mg/kg POCats
Dose5.1 mg/kg POHorses

Doses are shown as published, not averaged across sources. Enter the animal’s body weight in the interactive drug guide to calculate the amount.

How it works

Antiparasitic.

Do not use in

No known contraindications. It may be used in all ages of animals.

Main adverse effects

Fenbendazole has a good safety margin, but vomiting and diarrhea have been reported. When evaluated at doses of three and five times the recommended dose at three times the recommended duration, fenbendazole was well tolerated, and no adverse effects were reported in the target species. It has been safe to use during pregnancy. There have been reports of pancytopenia associated with fenbendazole administration, but these are rare.

Monitoring

Fecal monitoring may be performed to determine the efficacy of treatment for intestinal parasites. Fenoldopam Mesylate 359

Withdrawal

A withdrawal interval is stated for this drug. It depends on the formulation, route and dose, so read the exact wording in the interactive drug guide before treating a food animal.

Conditions it is used for

Alimentary tract disease Salmonellosis Giardiasis in Dogs and Cats Roundworm Infection

Similar drugs

Albendazole Ivermectin Levamisole Moxidectin/Moxidectin Praziquantel/Praziquantel

Source

Papich (p. 93); Plumb (pp. 422-423, 179).

Papich Handbook of Veterinary Drugs, 5th Edition (p. 359)

Condensed and attributed, never reproduced whole. Open the full entry in the app.