SEARCH Articles Figures Tables Acute asthma exacerbations Acute exacerbation of chronic bronchitis AECB) Acute exacerbations infective Acute exacerbations of chronic bronchitis Acute exacerbations, of IPF Albuterol acute asthma exacerbations Bronchitis acute exacerbation Chronic obstructive pulmonary disease acute exacerbation Cystic fibrosis acute respiratory exacerbations Moraxella catarrhalis infections acute exacerbation Multiple sclerosis acute exacerbations Prednisone acute asthma exacerbations