- FDA has issued an Emergency Use Authorization for Ivermectin Liquid for Horses to help prevent New World screwworm infestations.
- The product is intended for short-term prevention only and should be administered within 24 hours of birth or during initial wound care.
- The authorization applies only to horses and does not authorize the product for treatment of active infestations.
- The prescription-only product is sponsored by Alberta Vet Labs Ltd. and is available through licensed veterinarians.
- Federal officials said the EUA is part of ongoing efforts to strengthen preparedness against the potential spread of New World screwworm in the United States.
The U.S. Food and Drug Administration (FDA) has issued an Emergency Use Authorization (EUA) for Ivermectin Liquid for Horses to provide short-term prevention of New World screwworm infestations in horses.
Prevention—not treatment
The authorization covers prevention only and does not authorize treatment of established infestations. The preventive effect lasts no more than 24 hours and should be used alongside bandaging, repellents and other fly-control measures.
Part of broader federal response
The authorization represents the FDA’s 11th Emergency Use Authorization issued in response to the New World screwworm threat. The prescription-only product is sponsored by Alberta Vet Labs Ltd. of Canada.
Information sourced from the U.S. Food and Drug Administration’s press release.
