''p''-Hydroxynorephedrine (PHN), or 4-hydroxynorephedrine, is the ''para''-hydroxy analog of

norephedrine Phenylpropanolamine (PPA) is a sympathomimetic agent which is used as a decongestant and appetite suppressant. It was commonly used in prescription and over-the-counter cough and cold preparations. In veterinary medicine, it is used to contro ...

and an active

sympathomimetic Sympathomimetic drugs (also known as adrenergic drugs and adrenergic amines) are stimulant compounds which mimic the effects of endogenous agonists of the sympathetic nervous system. Examples of sympathomimetic effects include increases in hea ...

metabolite of

amphetamine Amphetamine (contracted from alpha- methylphenethylamine) is a strong central nervous system (CNS) stimulant that is used in the treatment of attention deficit hyperactivity disorder (ADHD), narcolepsy, and obesity. It is also commonly used ...

in humans. When it occurs as a metabolite of amphetamine, it is produced from both ''p''-hydroxyamphetamine and norephedrine.

Amphetamine metabolism

Notes

See also