FDA Issues Emergency Use Authorization for Over-the-Counter Injectable Drug for New World Screwworm in Dairy Cattle, Horses, Swine, Sheep, and Deer
Washington, D.C., May 19, 2026—The U.S. Food and Drug Administration today issued an Emergency Use Authorization (EUA) for Dectomax/Dectomax-CA1 (doramectin injection) injectable solution for the prevention and treatment of New World screwworm (NWS) infestations (myiasis) in dairy cattle (lactating dairy cows, dry dairy cows, and replacement dairy heifers 20 months of age and older), except for calves that will be processed for veal. The EUA also authorizes Dectomax/Dectomax-CA1 for the prevention of NWS myiasis in swine, horses at least one year old, sheep except for lactating sheep, and deer.