• Vijo Poulose, Pei Yee Tiew, and Choon How How.
• Respiratory and Critical Care Medicine, Changi General Hospital, Singapore.
• Singapore Med J. 2016 Feb 1; 57 (2): 606360-3.

AbstractChronic cough is one of the most common reasons for referral to a respiratory physician. Although fatal complications are rare, it may cause considerable distress in the patient's daily life. Western and local data shows that in patients with a normal chest radiograph, the most common causes are postnasal drip syndrome, postinfectious cough, gastro-oesophageal reflux disease and cough variant asthma. Less common causes are the use of angiotensin-converting enzyme inhibitors, smoker's cough and nonasthmatic eosinophilic bronchitis. A detailed history-taking and physical examination will provide a diagnosis in most patients, even at the primary care level. Some cases may need further investigations or specialist referral for diagnosis.Copyright © Singapore Medical Association.

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