Because of its potential use in amphetamine manufacture, it is controlled by the Combat Methamphetamine Epidemic Act of 2005.

Is proin for dogs a controlled substance?

In some states it is considered a controlled substance. In veterinary medicine, phenylpropanolamine is used almost exclusively for the control of urinary incontinence in dogs and occasionally in cats. Phenylpropanolamine is able to increase sphincter tone in the urethra thus curtailing inadvertent urine leakage.

What class of drug is proin?

Phenylpropanolamine (brand names: Proin®, Propalin®, Cystolamine®, Uricon®, Uriflex-PT®) is a sympathomimetic medication used to treat urinary incontinence due to poor muscle tone in the urethral sphincter.