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On Oct. 1, 2024, the FDA began implementing a reorganization impacting many parts of the agency. We are in the process of updating FDA.gov content to reflect these changes.

U.S. Food and Drug Administration
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  2. Animal & Veterinary
  3. Compliance & Enforcement
  4. Unapproved Animal Drugs
  5. Regulatory Actions
  1. Unapproved Animal Drugs

Regulatory Actions

FDA issued the following Warning Letters to companies that were illegally marketing animal drugs without FDA approval:

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