Xopenex ( Levalbuterol / Levosalbutamol )

Levosalbutamol, also known as levalbuterol

Xopenex (levalbuterol HCl) is used to prevent or relieve the wheezing, shortness of breath, coughing, and chest tightness caused by lung disease such as asthma and chronic obstructive pulmonary disease (COPD; a group of diseases that affect the lungs and airways). Levalbuterol is in a class of medications called beta agonists. It works by relaxing and opening air passages to the lungs to make breathing easier.

Levosalbutamol is the INN (International nonproprietary name)
Levalbuterol is the USAN (United States Adopted Name)