FDA Approves Emergency Drugs to Fight Screwworm
Published Date: 6/18/2026
Notice
Summary
The FDA just gave the green light for two new animal drugs to fight the nasty New World screwworm, a bug that harms cattle, horses, pigs, and even exotic animals. These emergency approvals started in April 2026 to help protect U.S. livestock and wildlife quickly. Farmers, vets, and animal lovers can now use these treatments to stop infestations and keep animals safe without delay.
Analyzed Economic Effects
2 provisions identified: 2 benefits, 0 costs, 0 mixed.
EUA: F10 Ointment for Screwworm
On April 24, 2026, FDA issued an Emergency Use Authorization for F10 Antiseptic Barrier Ointment with Insecticide (benzalkonium chloride, polyhexanide, and cypermethrin) to prevent and treat New World screwworm (Cochliomyia hominivorax) infestations in cattle, horses, minor species of hoof stock, raptors and other wild birds, pet birds, and captive wild, exotic, and zoo mammals. The Authorization includes conditions on emergency use and makes the product available for immediate use under those terms.
EUA: Negasunt Powder for Screwworm
On April 27, 2026, FDA issued an Emergency Use Authorization for Negasunt Powder (coumaphos, propoxur, and sulfanilamide) to prevent and treat New World screwworm infestations in cattle, swine, goats, sheep, horses, donkeys, domestic hybrid equids, and captive wild, exotic, and zoo mammals. The Authorization is subject to specified conditions and permits emergency interstate use under those terms.
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