Elanco's Credelio™ (lotilaner) Receives First Ever FDA Emergency Use Authorization (EUA) against New World Screwworm (NWS) in Dogs
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Last update: Oct 24, 2025
EUA to Treat Dogs for NWS Issued Prior to Fly Being Detected in the U.S.; Action Prepares Veterinarians and Pet Owners with Treatment Options
INDIANAPOLIS, Oct. 24, 2025 /PRNewswire/ -- Elanco Animal Health Incorporated (NYSE: ELAN) today announced it has received Emergency Use Authorization (EUA) from the U.S. Food and Drug Administration (FDA) for Credelio™ (lotilaner) to treat New World screwworm (NWS) infestations in dogs. This is the first EUA ever granted by the Agency for NWS in dogs. Confirmed cases of NWS have been detected less than 70 miles south of the U.S.-Mexico border.ii This Emergency Use Authorization allows veterinarians and pet owners to have a ready-now treatment option if the fly enters the U.S.
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