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Pain Mitigation

The interest in responding to concerns about finding a way to provide swine farmers with a mechanism to mitigate pain associated with castration and tail docking has led veterinarians to consider the use of analgesics. The discussion has revolved around the lack of approved analgesic/anesthetic products for use in swine. Lidocaine is one product that has been considered. It is our opinion at AASV that, although not approved for use in swine, lidocaine is approved by FDA and, therefore, could be used in an extra-label manner if the conditions of AMDUCA can be met.

AMDUCA requires:

  1. the existence of a valid Veterinary-Client-Patient Relationship (VCPR),
  2. extra-label use limited to circumstances when a threat is posed to the health of an animal, or when failure to treat results in suffering or death,
  3. the lack of an approved product to address the issue,
  4. the availability of an approved animal or human drug that would address the issue,
  5. the product be administered on the direction of a licensed veterinarian, appropriately labeled, and assigned an extended withdrawal time to avoid violative residues.