Differential diagnosis of chronic cough
1Department of Internal Medicine, Texas A & M University Health Sciences Center, 1600 University Drive East, College Station, TX 77840, USA.
Abstract:
Coughing that lasts >3 weeks is generally considered chronic. The causes of chronic cough are many. Most often, chronic cough is due to postnasal drainage, asthma, and/or gastroesophageal disease. However, other causes such as laryngopharyngeal reflux, vocal cord dysfunction, occult sinusitis, pertussis, and angiotensin-converting enzyme inhibitor should be considered. Even rarer entities will be discussed as well as some of the pathophysiology associated with the cough reflex.
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