FDA Issues Emergency Use Authorization for F10 Ointment to Prevent New World Screwworm
Summary
The FDA issued an Emergency Use Authorization (EUA) on April 24, 2026 for F10 Antiseptic Barrier Ointment with Insecticide (benzalkonium chloride, polyhexanide and cypermethrin topical ointment) for the prevention and treatment of New World screwworm (NWS) myiasis. The product is authorized for use in cattle, horses, minor hoof stock species (sheep, goats, deer), raptors, wild birds, pet birds, and captive wild, exotic, and zoo mammals. The authorization explicitly excludes domestic dogs and cats.
“F10 Antiseptic Barrier Ointment with Insecticide may not be used in domestic dogs and cats.”
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What changed
The FDA has authorized F10 Antiseptic Barrier Ointment with Insecticide under Emergency Use Authorization for use against New World screwworm infestations across multiple animal species. The product contains benzalkonium chloride, polyhexanide, and cypermethrin as active ingredients.\n\nPharmaceutical companies and animal health product manufacturers supplying F10 or similar veterinary antiseptic-insecticide formulations should verify their products align with the authorized specifications. Livestock producers, wildlife managers, zoos, and veterinary practitioners treating NWS myiasis in affected species may now use this authorized product. Distributors should note the explicit exclusion for domestic dogs and cats and ensure labeling reflects this limitation.
Archived snapshot
Apr 28, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
FDA Issues Emergency Use Authorization for Ointment to Prevent and Treat New World Screwworm in Multiple Species, Including Cattle, Sheep, Goats, Horses, Wild and Exotic Mammals, Wild and Pet Birds
Print Washington, D.C., April 24, 2026 —Today, the U.S. Food and Drug Administration (FDA) issued an Emergency Use Authorization (EUA) for F10 Antiseptic Barrier Ointment with Insecticide (benzalkonium chloride, polyhexanide and cypermethrin topical ointment) for the prevention and treatment of New World screwworm (NWS) infestations (myiasis).
The FDA has concluded that based on the scientific evidence available, it is reasonable to believe that F10 Antiseptic Barrier Ointment with Insecticide may be effective in the prevention and treatment of NWS myiasis in cattle, horses, minor species of hoof stock (e.g., sheep, goats, deer), raptors and other wild birds, pet birds, and captive wild, exotic, and zoo mammals, and the known and potential benefits of the product outweigh its known and potential risks. F10 Antiseptic Barrier Ointment with Insecticide may not be used in domestic dogs and cats.
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