Chronic Cough

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Causes

Most diagnostic workups for the cause of a cough differentiate between chronic cough in nonsmokers with a normal chest x-ray (CXR) and chronic cough in smokers with or without an abnormal CXR. The most common causes for chronic cough in a nonsmoker with a normal CXR are postnasal drip syndrome, asthma and gastroesophageal reflux disease (GERD). Medications called ACE inhibitors are another major cause of chronic cough. Common causes for chronic cough in smokers are bronchitis and lung...Read the full article