Chronic cough as a neuropathic disorder

Kian Fan Chung, Lorcan McGarvey, Stuart B Mazzone

Research output: Contribution to journalArticle

105 Citations (Scopus)

Abstract

Chronic cough is a common symptom that can be a daunting challenge for clinicians since treatment of the underlying cause does not always provide adequate relief, an obvious cause can remain elusive, and current antitussives have fairly poor efficacy and undesirable side-effects. Patients with chronic cough typically describe a range of sensory symptoms suggestive of upper-airway and laryngeal neural dysfunction. Additionally, patients often report cough triggered by low-level physical and chemical stimuli, which is suggestive of cough-reflex hyperresponsiveness. Pathophysiological mechanisms underlying peripheral and central augmentation of the afferent cough pathways have been identified, and compelling evidence exists for a neuropathy of vagal sensory nerves after upper-respiratory viral infections or exposure to allergic and non-allergic irritants. In this Personal View, we argue that chronic cough is a neuropathic disorder that arises from neural damage caused by a range of inflammatory, infective, and allergic factors. In support of this idea, we discuss evidence of successful treatment of chronic cough with agents used for treatment of neuropathic pain, such as gabapentin and amitriptyline. Regarding cough as a neuropathic disorder could lead to new, more effective antitussives.
Original languageEnglish
Pages (from-to)414-22
Number of pages9
JournalThe Lancet Respiratory Medicine
Volume1
Issue number5
Early online date03 May 2013
DOIs
Publication statusPublished - Jul 2013

Bibliographical note

Copyright © 2013 Elsevier Ltd. All rights reserved.

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