Use of Long-Acting β-Agonists and Inhaled Corticosteroids

TO THE EDITOR:

Dr. Ernst and colleagues (1) and I agree that inhaled corticosteroids are the appropriate first-line agent for chronic asthma management and that long-acting β-agonists (LABAs) are a valuable next level of treatment for many patients. We seem to disagree on exactly how best to use LABAs. Dr. Ernst and colleagues note that the “greatest benefit from inhaled corticosteroids occurs with low …