Chronic Cough Due to Asthma: ACCP Evidence-Based Clinical Practice Guidelines

摘要: Background: Asthma is among the most common causes of chronic cough in adult nonsmokers. Although usually accompanies dyspnea and wheezing, it may present isolation as a precursor typical asthmatic symptoms, or remain predominant sole symptom asthma. The latter condition known cough-variant asthma (CVA). Methods: Data for this review were obtained from National Library Medicine (PubMed) search, performed April 2004, English language literature 1975 to limited human studies, using search terms "cough" "asthma." Results: diagnosis not associated with symptoms ( ie , CVA) presents challenge, because physical examination spirometry findings be entirely normal. Methacholine inhalation challenge testing can demonstrate presence bronchial hyperresponsiveness; however, due only confirmed after resolution antiasthmatic therapy. In general, therapeutic approach similar that form Most patients will respond inhaled bronchodilators corticosteroids. A subgroup require addition leukotriene receptor antagonists and/or short course oral Conclusions: should considered potential etiology any patient cough, commonly cough. Because CVA no other asthma, clinical suspicion must high. Cough responds standard