What is "clenbuterol"

n. (context medicine English) The decongestant and bronchodilator ''1-(4-amino-3,5-dichloro-phenyl)-2-(tert-butylamino)ethanol''

Clenbuterol, marketed as Dilaterol, Spiropent, Ventipulmin, is a sympathomimetic amine used by sufferers of breathing disorders as a decongestant and bronchodilator. People with chronic breathing disorders such as asthma use this as a bronchodilator to make breathing easier. It is most commonly available as the hydrochloride salt, clenbuterol hydrochloride.