Texas Racing Commission Issues Memorandum Clarifying Corticosteroid Withdrawal Guidelines and Race-Day Testing

(Austin, Texas - Monday, August 24, 2026) - On August 10, the Texas Racing Commission issued a memorandum clarifying corticosteroid withdrawal guidelines and race-day testing. According to the memorandum, after consideration and discussion with regulatory veterinarians, backside veterinarians, and veterinarians on the RMTC Scientific Advisory Committee, the Texas Racing Commission will not recommend including permissible Isoflurane and Triamcinolone values on testing samples collected during race days.

The full memorandum is available here.