Story perspectives

FDA Approves Credelio for Dogs Amid Screwworm Threat

10/28/2025

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Summary

Story summary

The U.S. Food and Drug Administration (FDA) granted Emergency Use Authorization for Credelio to treat dogs and puppies infected with the New World screwworm.
The authorization followed concerns that the screwworm could become a public health emergency near the U.S.-Mexico border.
Credelio was originally approved for flea and tick treatment.
New World screwworm is found in South America and the Caribbean and can infect animals and humans through open wounds.

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Story summary

The U.S. Food and Drug Administration (FDA) granted Emergency Use Authorization for Credelio to treat dogs and puppies infected with the New World screwworm.
The authorization followed concerns that the screwworm could become a public health emergency near the U.S.-Mexico border.
Credelio was originally approved for flea and tick treatment.
New World screwworm is found in South America and the Caribbean and can infect animals and humans through open wounds.