Bitolterol

Overview
Bitolterol mesylate (Tornalate®) is a β2-adrenergic receptor agonist used for the relief of bronchospasm in conditions such as asthma and COPD.

Bitolterol has a rapid onset of action (2-5 minutes) and may last up to 6-8 hours.

Bitolterol was withdrawn from the market by Élan Pharmaceuticals in 2001.