Asthma

Other chronic airway or parenchymal lung disease

Other comorbid illness (including but not limited to DM, MI or CAD-related intervention in 6 months, neurologic disease, syncope)

Use of any steroid (oral, IV, nasal, pulmonary) within 12 weeks

Use of theophylline, leukotriene modifiers within 12 weeks

Use of long-acting beta-agonists (formoterol, salmeterol) or anticholinergic (tiotropium)

The Effect of QVAR on Lung Functioning in Chronic Obstructive Pulmonary Disease