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[How to approach a chronic cough].

R Louis1

  • 1Service de Pneumologie, CHU de Liège, Site Sart Tilman, Liège, Belgique.

Revue Medicale De Liege
|April 8, 2017
PubMed
Summary

Chronic cough, lasting over 8 weeks, significantly impacts quality of life and can indicate various conditions. This paper highlights asthma as a cause and explores treatments for idiopathic refractory cough.

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Area of Science:

  • Pulmonology
  • Gastroenterology
  • Internal Medicine

Background:

  • Chronic cough, defined as a cough lasting more than 8 weeks, is a prevalent symptom leading patients to seek medical attention and significantly impacts quality of life.
  • While often associated with respiratory conditions, chronic cough can be a primary symptom of diverse diseases, necessitating a thorough diagnostic approach.
  • Classification of chronic cough often involves chest X-ray results; normal findings prompt consideration of conditions like chronic bronchitis, drug-induced cough, asthma, esophageal reflux, and rhinosinusitis.

Observation:

  • A significant number of chronic cough cases, particularly with normal chest X-rays, remain undiagnosed, leading to the concept of idiopathic refractory cough.
  • This paper presents a case where persistent cough was the presenting symptom of asthma, which resolved effectively with appropriate treatment.
  • The diagnostic challenge of chronic cough, especially when no clear etiology is identified, underscores the need for comprehensive evaluation.

Findings:

  • Asthma can manifest primarily as a persistent cough, which may be misdiagnosed or overlooked without specific diagnostic considerations.
  • Prompt and accurate diagnosis of asthma leading to targeted treatment can significantly improve patient outcomes and quality of life.
  • The case illustrates the importance of considering common yet potentially underdiagnosed conditions like asthma in patients with chronic cough.

Implications:

  • Effective management of chronic cough requires a broad differential diagnosis, including non-respiratory causes and conditions like asthma.
  • Further research into the underlying mechanisms and novel therapeutic strategies for idiopathic refractory cough is crucial.
  • Identifying treatable causes of chronic cough, such as asthma, is essential for alleviating patient suffering and reducing healthcare burden.
Keywords:
AsthmaChronic coughIdiopathic chronic cough

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