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FDA grants emergency approval for Simparica Trio to combat New World screwworm infestations in dogs
Home & legal

FDA grants emergency approval for Simparica Trio to combat New World screwworm infestations in dogs

The FDA has issued an emergency use authorization for Simparica Trio to treat New World screwworm myiasis in dogs and puppies, providing veterinarians with another option for affected animals. The chewable tablet, which combines sarolaner, moxidectin, and pyrantel, is already approved for other parasitic conditions but is now authorized specifically for screwworm treatment. The FDA emphasizes that while the risk remains low, awareness and vigilance are key.

dvm36016 August 2026