Cough is a topic covered in the Select 5-Minute Pediatrics Topics.

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Basics

Description

A high-velocity expulsion of gas from the airways that serves to clear them of mucus, cellular and microbial debris, or foreign bodies. An absence or inability to cough can lead to recurrent pneumonia. Cough can be acute (<2 weeks), subacute/protracted (2–4 weeks), or chronic (>4 weeks).

Epidemiology

Cough is the most common symptom presenting to primary care physicians in the United States and worldwide. Chronic cough accounts for up to 9% of chief complaints to U.S. pediatricians.

Healthy children can have a nonpathologic cough. School-age children typically experience 10 cough episodes per day.

Pathophysiology

Cough results from a complex reflex phenomenon initiated by cough receptors that is mediated through the brainstem. The receptors are located in the respiratory tract from the larynx to the segmental bronchi, paranasal sinuses, external auditory canal, and stomach and are triggered by thermal, chemical, mechanical, or inflammatory stimuli. Cough is generally reflexive but may sometimes be voluntarily initiated or suppressed.

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Citation

* When formatting your citation, note that all book, journal, and database titles should be italicized* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Cough ID - 14206 Y1 - 2015 PB - Select 5-Minute Pediatrics Topics UR - https://im.unboundmedicine.com/medicine/view/Select-5-Minute-Pediatric-Consult/14206/all/Cough ER -