Synopsis: There seems to be a dose-related relationship between inhaled corticosteroids and pneumonia in patients with chronic obstructive pulmonary disease.
Source: Ernst P, Gonzalez AV, Brassard P, Suissa S. Inhaled corticosteroid use in chronic obstructive pulmonary disease and the risk of hospitalization for pneumonia. Am J Respir Crit Care Med. 2007;176:162-166.