Bitolterol mesylate (Tornalate) is a short-acting β2 adrenergic receptor agonist used for the relief of bronchospasm in conditions such as asthma and COPD. In these disorders there is a  narrowing of the airways (bronchi and their ramifications) that carry air to the lungs.
Bitolterol mesylate (Tornalate) is a short-acting β2 adrenergic receptor agonist employed to manage bronchospasm in conditions such as asthma and COPD. In these diseases, the airways (bronchi and their branches) narrow, impeding airflow into the lungs.