Dr. Maylin has contacted RCI concerning issues associated with the dismissal of cocaine positives apparently based on “environmental” related contamination.    He notes that the attached paper provides a means to eliminate this theory.  This metabolite is a metabolic transformation in the horse.   This information is posted for your review and consideration.

Cocaine- hydroxy BE



RMTC Presentation by Dr. Sams.


The pharmacology and pharmacokineticsof high-dose methocarbamol in horses.

methocarbamol muir

PA Horse Racing Commission Notice.

Methocarbamol PA

The pharmacokinetics of methocarbamol and guaifenesin after single intravenous and multiple-dose oral administration of methocarbamol in the horse

methocarbamol rmtc

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