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Medication Information

  • HRC
  • Current: Medication Information

Withdrawal Guidelines 

The Indiana Horse Racing Commission does not provide information regarding withdrawal guidelines.  Should you have questions regarding medication administration, please consult your veterinarian. You or your veterinarian may also reference the Racing Medication and Testing Consortium website regarding controlled therapeutic substances (CTS) at:  https://rmtcnet.com/technical-resources/controlled-therapeutic-substances/ A CTS list can be accessed here:  https://rmtcnet.com/wp-content/uploads/2020/12/2020-12-Schedule_CTS_revision-to-clenbuterol-1.pdf.

Medication Regulations

Article 8. Human and Equine Health (Standardbred)
Article 8.5 Human and Equine Health (Flat Racing)
Prohibited Substance List
Hair Testing


Trainer Initiated Testing

Trainers should remember that they have the option to send blood samples from any horse in their stable to the lab.  Industrial Laboratories, IHRC’s primary testing laboratory offers a therapeutic medication research program.  This program provides a resource for veterinarians and horsemen to obtain clearance time information for controlled therapeutic medications that is dose-specific, administration specific, and horse specific.

Information about this testing program is available below.  Additionally, if you have any questions about our testing programs, please contact the IHRC offices and one of our Test Barn Administrators will be happy to assist you.

Industrial Laboratories Therapeutic Medication Research Program


Cobalt Testing Information

Cobalt testing is available through the University of Kentucky Veterinary Diagnostic Laboratory.  Information about this testing program is available below.  Additionally, if you have any questions about our testing programs, please contact the IHRC offices and one of our Test Barn Administrators will be happy to assist you.

Submission forms for Cobalt testing:

*Both forms must be submitted for testing.  For additional information or for questions regarding submission please contact the University of Kentucky Veterinary Diagnostic Laboratory at (859) 257-8283.

Cobalt Staff Reports

Cobalt Regulations

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