Tags: Drug.
4-Hydroxyamphetamine also known as hydroxyamfetamine (INN) hydroxyamphetamine (USAN and BAN) oxamphetamine norpholedrine para-hydroxyamphetamine and α-methyltyramine is a sympathomimetic drug that is a drug that stimulates the sympathetic nervous system. When used in eye drops it dilates the pupil. 4-Hydroxyamphetamine is sold in combination with tropicamide under the brand name Paremyd. It occurs as a metabolite of amphetamine.