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 used to relieve bronchospasm in respiratory conditions like asthma and COPD. These conditions involve airway constriction that hinders lung function.