Today, the U.S. Food and Drug Administration issued an Emergency Use Authorization (EUA) for F10 Antiseptic Wound Spray with Insecticide (benzalkonium chloride, polyhexanide, and cypermethrin topical solution) 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 Wound Spray 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 Wound Spray with Insecticide may not be used in domestic dogs and cats.
Most animals in America are at low risk of NWS due to their geographic location; however, animals near the U.S.-Mexico border and those that have been in countries with active NWS cases are more likely to be exposed to NWS.
To date, the FDA has conditionally approved or issued EUAs for drugs to prevent and/or treat NWS in cattle, dogs, and cats. F10 Antiseptic Wound Spray with Insecticide is the first product authorized by the FDA for NWS indications in additional species.
The agency evaluated relevant human food safety information and concluded that the food products obtained from treated animals are safe for human consumption when the terms and conditions of use granted by the EUA are followed, including the withdrawal period and milk discard time.
Important food safety information:
- Cattle, goats, and sheep must not be slaughtered for human consumption within 30 days of treatment.
- For non-domesticated minor species of hoof stock (e.g., deer, elk, antelope and nilgai), use only when there is a reasonable certainty that the treated animal will not be slaughtered or harvested for human consumption within 30 days of treatment.
- Milk taken from cows, goats, or sheep during treatment and for 10 days after treatment must not be used for human consumption.
- A withdrawal period has not been established for this product in pre-ruminating calves. Treated calves and calves born to treated cows must not be processed for veal.
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