Fenbendazole/ Panacur (Dewormer)
Fenbendazole/ Panacur (Dewormer) treats roundworms, hookworms, whipworms, and Giardia. It is given as a flavored liquid, powder, or tablet for 3-5 days, sometimes longer for Giardia. It is available by veterinary prescription or over-the-counter in some formulations.
Last Reviewed Date: 01/15/2026