FDA issues emergency authorization for medication to treat pets after New Mexico case of New World screwworm

The Food and Drug Administration announced an emergency authorization for a medication intended to fight New World screwworm in dogs and cats, following identification of the parasite in a small dog in New Mexico, according to The Hill.

The screwworm, described in the report as flesh-eating, prompted the FDA to move quickly to make treatment available for household pets when veterinary diagnosis indicates exposure or infection. The FDA said the emergency authorization applies to dogs and cats and is intended to address the immediate public health and animal health risk posed by the infestation.

The FDA action comes as veterinarians and pet owners are asked to remain alert for signs consistent with screwworm, the report said. In such cases, the agency’s emergency authorization is designed to reduce delays in access to treatment while standard regulatory processes play out.

The Hill reported that the FDA’s emergency authorization was issued in response to the identified case in New Mexico and the associated concern that the parasite could spread or cause additional harm if treatment is delayed.

As with other emergency authorizations, the FDA’s use is tied to specific conditions, including veterinary assessment of an animal suspected of infection. The report indicates that owners should rely on guidance from veterinarians rather than attempting to administer unauthorised supplies.

The announcement also underscores the federal role in animal health during emerging infestations, using FDA authorities to expand access to medical countermeasures when time is critical, the report said. The longer-term regulatory pathway for the medication was not detailed in the report.