Oxfendazole is a broad spectrum benzimidazole anthelmintic. Its main use is for protecting livestock against roundworm, strongyles and pinworms. Oxfendazole is the sulfoxide metabolite of fenbendazole. Oxfendazole is an anthelmintic (wormer) compound used in veterinary practice. It comes under the chemical class of the benzimidazoles. This drug is barely used in horses, goats, sheep, and cattle. It is very scarcely applied on dogs and cats. The drug for livestock is majorly available in the form of pills, tablets, drenches, bolus, etc. They are meant for oral consumption. Several drenches are allowed for intraruminal injection in some of the countries. Few countries also prefer injectables and pour-ons. For pet dogs, the drug is available in the form of drenches.