Fenbendazole (Panacur; Safe-Guard; Axilur; Fenbendazol; HOE 881) is a widely used dewormer in many species. Fenbendazoleis (Panacur; Safe-Guard; Axilur; Fenbendazol; HOE 881) a broad spectrum benzimidazole anthelmintic used against gastrointestinal parasites including roundworms, hookworms, whipworms, the taenia species of tapeworms, pinworms, aelurostrongylus, paragonimiasis, strongyles and strongyloides and can be administered to sheep, cattle, horses, fish, dogs, cats, rabbits and seals. Drug interactions may occur if using bromsalan flukicides such as dibromsalan and tribromsalan.