FDA finalises new guidelines to combat antimicrobial resistance in food animals

The US Food and Drug Administration has announced updated guidance to help reduce antimicrobial resistance linked to use in food-producing animals, part of a broader effort to tackle a global public health crisis.

The US Food and Drug Administration has finalised a guidance framework for assessing the human-health risks linked to antimicrobial use in food-producing animals, sharpening its approach to one of the most persistent public-health problems in veterinary medicine and agriculture.

According to the agency’s Centre for Veterinary Medicine, the updated guidance is designed to help sponsors of animal drug applications evaluate how medically important antimicrobials used in feed may contribute to resistance. The FDA has long argued that judicious use is essential if drugs are to remain effective for both animal and human treatment.

The move sits within a broader federal effort. The FDA’s 2024-2028 antimicrobial resistance plan seeks to limit or reverse resistance associated with animal antibiotic use while preserving access to safe and effective medicines. Other FDA policies have already pushed the sector towards more controlled use, including guidance on durations of use for certain feed-based antimicrobials and the shift of some products from over-the-counter to prescription status.

The public-health rationale is stark. Research cited by the Food and Drug Administration suggests antimicrobial resistance was linked to 4.95 million deaths worldwide in 2019. The Centres for Disease Control and Prevention says resistant bacteria can spread from food and animals to people, making prevention and stewardship central to the wider response.

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