FDA Issues Emergency Authorization for Screwworm Spray
The U.S. Food and Drug Administration issued an emergency use authorization for CLiK Extra wound spray to prevent New World screwworm infestations. Announced on August 7, 2026, the urgent regulatory action permits the application of the dicyclanil-based topical suspension on sheep, cattle, goats, swine, camelids, and specific captive or captured wildlife, including cervids, American bison, bighorn sheep, and Sonoran pronghorn. Manufactured by Elanco Animal Health, the spray functions as an insect growth regulator designed to disrupt larval development around open wounds or surgical sites before tissue damage occurs. Timothy Schell, director of the FDA Center for Veterinary Medicine, emphasized that the authorization protects broader agricultural ecosystems. The product does not treat active infestations and carries strict slaughter and harvest restrictions, including an 86-day withdrawal period for major livestock to safeguard the human food supply.
Prepared by Olivia Bennett and reviewed by editorial team.
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Left: Highlights government intervention protecting public ecosystems and vulnerable wildlife species. Center: Emphasizes regulatory facts, product limitations, and agricultural protection measures neutrally. Right: Focuses on deregulation benefits, empowering producers, and safeguarding commercial economic interests.
FDA issues emergency use authorization for CLiK Extra wound spray on August 7, 2026. https://www.fda.gov/news-events/press-announcements/fda-issues-emergency-use-authorization-drug-prevent-new-world-screwworm-multiple-species-including
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FDA Issues Emergency Authorization for Screwworm Spray
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