Veterinarians may administer the following medications to participating horses provided that, on any day for which the horse is entered to race, the urine and/or blood concentrations are below the Maximum Allowable Concentrations listed in the table below. Administration of medications not described in this section is prohibited.
Therapeutic Medication | Maximum Allowable Concentration |
Acepromazine | 10 nanograms per milliliter as 2-(1-hydroxyethyl) promazine sulfoxide (HEPS) in urine |
Albuterol | 1 nanogram per milliliter of urine |
Betamethasone | 10 picograms per milliliter of plasma or serum |
Butorphanol | 300 nanograms of total butorphanol in urine or 2 nanograms of free butorphanol per milliliter of plasma or serum |
Cetirzine | 6 nanograms per milliliter of plasma or serum |
Cimetidine | 400 nanograms per milliliters of plasma or serum |
Clenbuterol | 140 picograms per milliliter or urine or Level of Detection in plasma or serum |
Dantrolene | 100 picograms per milliliter of 5-hydroxydantrolene in plasma or serum |
Detomidine | 2 nanograms per milliliter of carboxydetomidine in urine or 1 nanogram per milliliter in blood |
Dexamethasone | 5 picograms per milliliter of plasma or serum |
Diclofenac | 5 nanograms per milliliter of plasma or serum |
Dimethyl sulfoxide (DMSO) | 10 micrograms per milliliter of plasma or serum |
Firocoxib | 20 nanograms per milliliter of plasma or serum |
Flunixin | 20 nanograms per milliliter of plasma or serum |
Furosemide | 100 nanograms per milliliter of plasma or serum |
Glycopyrrolate | 3 picograms per milliliter of plasma or serum |
Guaifenesin | 12 nanograms per milliliter of plasma or serum |
Isoflupredone | 100 nanograms permilliliter of plasma or serum |
Ketoprofen | 2 nanograms per milliliter of plasma or serum |
Lidocaine | 20 picograms per milliliter of total 30H-lidocaine in plasma or serum |
Mepivacaine | 10 nanograms total hydroxymepivacaine per milliliter of urine or above the Level of Detection of mepivacaine in plasma or serum |
Methocarbamol | 1 nanogram per milliliter of plasma or blood |
Methylprednisolone | 100 picograms per milliliter of plasma or serum |
Omeprazole | Omeprazole sulfide - 10 nanograms per milliliter of plasma or serum |
Phenylbutazone | 5 micrograms per milliliter of plasma or serum |
Prednisolone | 1 nanogram per milliliter of plasma or serum |
Procaine penicillin (administration must be reported to the Commission) | 25 nanograms per milliliter of plasma or serum |
Ranitidine | 40 nanograms per milliliter of plasma or serum |
Triamcinolone | 100 picograms per milliter of plasma or serum |
Xylazine | 200 picograms per milliliter of plasma or serum |
Each Association shall ensure that the official program correctly identifies all horses racing on the Furosemide Program. All horses racing on furosemide for the first time must be noted in the official program as "first time Lasix" at the bottom of the program page. Failure to provide an accurate official program shall be a Level Three violation of these rules.
The Commission Veterinarian shall establish a schedule for the administration of the furosemide.
Whenever there is evidence that a participating horse has experienced Exercise Induced Pulmonary Hemorrhage (EIPH), the following procedures shall apply:
The use of NSAIDs shall be governed by the following conditions:
Liniments, antiseptics, antibiotics, ointments, leg paints, washes, and other products commonly used in the daily care of horses may be administered by a person, other than a licensed veterinarian if:
01-017 C.M.R. ch. 11, § 4