Q: What is Fenbendazole?

A: Fenbendazole is 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 (Dibromsalan, Tribromsalan). Abortions in cattle and death in sheep have been reported after using these medications together. (Plumb's Veterinary Drug Handbook, Fifth Edition. 2005)

     

Chemical data
Formula	C15H13N3O2S
Mol. mass	299.349 g/mol