- In October 2024, Elanco Animal Health Incorporated announced that the U.S. Food and Drug Administration (FDA) had approved Credelio Quattro (lotilaner, moxidectin, praziquantel, and pyrantel chewable tablets), making it the most comprehensive canine oral parasiticide approved to date. It offers protection against six types of parasites, including fleas, ticks, heartworms, and three harmful intestinal parasites—roundworms, hookworms, and tapeworms. Credelio Quattro is a single, monthly chewable tablet designed for dogs aged eight weeks or older
