Proventil

Salbutamol, also known as albuterol and sold under the brand name Ventolin among others,[1] is a medication that opens up the medium and large airways in the lungs.[6] It is a short-acting β2 adrenergic receptor agonist which works by causing relaxation of airway smooth muscle.[6] It is used to treat asthma, including asthma attacks, exercise-induced bronchoconstriction, and chronic obstructive pulmonary disease (COPD).[6] I... [wikipedia]