Asthma is a chronic inflammatory disease of the lower respiratory tract which is triggered by exposure to allergens or other airway irritants, and is commonly encountered in otolaryngologic practice. This three-part review is designed to assist otolaryngologists in recognizing and managing asthmatic patients. Part one summarized current knowledge of the pathophysiology and increasing prevalence of asthma, and its assessment and diagnosis. Part two discussed asthma management by environmental controls, anti-inflammatory therapies, and patient education, and compared pharmacologic treatments which are not primarily anti-inflammatory. These include mucolytic, anticholinergic, antihistamine, theophylline and beta agonist drugs. In this final part, anti-inflammatory treatments for asthma control are critically reviewed, including a balanced discussion of cromolyn, nedocromil, glucocorticoids, allergy immunotherapy, and the appropriate indications, possible toxicities and reasonable precautions for their use.
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