| Summary: | The currently available evidence for the use of chronic antibiotic therapy, principally macrolides and tetracyclines, as anti-inflammatory therapy in pulmonary disorders is reviewed. Historically, treatment of a number of chronic diseases with tetracyclines showed modest benefits but reports of the successful treatment of diffuse panbronchiolitis with erythromycin stimulated research in other lung diseases as well as shifting the focus from tetracyclines to macrolides. Chronic macrolide therapy is now recommended for patients with frequent exacerbations of cystic fibrosis and COPD and considerable evidence exists for potential benefits in asthma. There is also evidence of macrolide efficacy in the prevention of obliterative bronchiolitis after lung transplantation. Small trials have suggested possible benefit of macrolides in IPF. Taken together these suggest a potential for antibiotics, particularly macrolides, in some pulmonary inflammatory disorders.
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