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Display titleCough
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Page ID196974
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A cough (About this sound pronunciation  Latin: tussis) is a sudden and often repetitively occurring reflex which helps to clear the large breathing passages from secretions, irritants, foreign particles and microbes. The cough reflex consists of three phases: an inhalation, a forced exhalation against a closed glottis, and a violent release of air from the lungs following opening of the glottis, usually accompanied by a distinctive sound.<ref name="Lancet-causes">{{#invoke:Citation/CS1|citation |CitationClass=journal }}</ref> Coughing is either voluntary or involuntary.

Frequent coughing usually indicates the presence of a disease. Many viruses and bacteria benefit evolutionarily by causing the host to cough, which helps to spread the disease to new hosts. Most of the time, irregular coughing is caused by a respiratory tract infection but can also be triggered by choking, smoking, air pollution,<ref name="Lancet-causes"/> asthma, gastroesophageal reflux disease, post-nasal drip, chronic bronchitis, lung tumors, heart failure and medications such as ACE inhibitors.

Treatment should target the cause; for example, smoking cessation or discontinuing ACE inhibitors. Cough suppressants such as codeine or dextromethorphan are frequently prescribed, but have been demonstrated to have little effect. Other treatment options may target airway inflammation or may promote mucus expectoration. As it is a natural protective reflex, suppressing the cough reflex might have damaging effects, especially if the cough is productive.<ref name="pmid18424326">{{#invoke:Citation/CS1|citation |CitationClass=journal }}</ref>


Cough sections
Intro  Classification  Differential diagnosis  Pathophysiology  Diagnostic approach  Treatment  Complications  Epidemiology  Other animals  References  External links  

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Page creatorDoc James (Talk | contribs)
Date of page creation08:26, 2 November 2015
Latest editorDoc James (Talk | contribs)
Date of latest edit08:26, 2 November 2015
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