Uniform Medication Rules Now in Effect

Effective January 1, 2014, The Pennsylvania Horse Racing Commission in accordance with its existing therapeutic regulations (58 Pa. Code 163.304) incorporates and adopts the most current list of therapeutic substances and threshold levels issued by the Racing Medication & Testing Consortium (RMTC) and any subsequent modification approved by The Association of Racing Commissioners International (ARCI) regarding therapeutic medications.

The following chart details these new accepted medication standards and withdrawal times:

Substance	Restricted Administration Time	Threshold	Route of Administration	Experimental Administration Dosage
Acepromazine	48 Hours	HEPS - 10 ng/mL of urine	Intravenous	0.05 mg/kg
Betamethasone	7 Days	10 pg/mL in plasma or serum	Intra-articular	9 mg total in one articular space
Butorphanol	48 Hours	Free butorphanol - 2 ng/mL of plasma or Total butorphanol - 300 ng/mL of urine	Intravenous	0.1 mg/kg
Clenbuterol	14 Days	140 pg/mL of urine or LOD in plasma	Oral	0.8 mcg/kg
Dantrolene	48 Hours	5-OH dantrolene - 0.1 ng/mL of plasma or serum	Oral	500 mg total dose
Detomidine	72 Hours	1 ng/mL of carboxydetomidine in urine; LOD for detomidine in plasma	Sublingual detomidine (Domosedan gel)	40 mcg/kg
Dexamethasone	72 Hours	5 pg/mL of plasma or serum	Oral, Intravenous, IM	0.05 mg/kg
Diclofenac	48 Hours	5 ng/mL of plasma or serum	Topical	5” ribbon of Surpass every 12 hours to one site
DMSO	48 Hours	10 mcg/mL of plasma or serum	Oral or IV
Firocoxib	14 Days	20 ng/mL of plasma or serum	Oral	0.1 mg/kg for 4 days
Flunixin	24 Hours	20 ng/mL of plasma or serum	Intravenous	1.1 mg/kg
Furosemide	4 Hours	100 ng/mL in blood and urine specific gravity < 1.010	Intravenous	Up to 500 mg total dose
Glycopyrrolate	48 Hours	3 pg/mL of plasma or serum	Intravenous	1 mg total dose
Ketoprofen	24 Hours	10 ng/mL of plasma or serum	Intravenous	2.2 mg/kg
Lidocaine (interim)	72 Hours	20 pg/mL of total 3OH-lidocaine in plasma	Subcutaneous - distal limb	200 mg of lidocaine hydrochloride salt
Mepivacaine	72 Hours	3OH-mepivacaine - 10 ng/mL in urine or mepivacaine at LOD in plasma	Subcutaneous - distal limb	0.07 mg/kg
Methocarbamol	48 Hours	1 ng/mL of plasma or serum	IV or Oral	15 mg/kg IV, 5 g oral
Methylprednisone	7 Days	100 pg/mL in plasma or serum	Intra-articular	100 mg total in one article space
Omeprazole	24 Hours	omeprazole sulfide - 1 ng/mL in urine	Oral	3.9 mg/kg
Phenylbutazone	24 Hours	2 mcg/mL of plasma or serum	Intravenous	4 mg/kg
Prednisolone	48 Hours	1 ng/mL of plasma or serum	Oral	1 mg/kg
Procaine Penicillin	Time of Entry	25 ng/mL of plasma	Intra-muscular
Triamcinolone Acetonide	7 Days	100 pg/mL of plasma or serum	Intra-articular	9 mg total in one articular space
Xylazine (interim)	48 Hours	0.01 ng/mL of plasma	Intravenous