[Cough as a symptom--clarify or treat empirically?]

Area of Science:

• Pulmonology
• Internal Medicine

Context:

• Cough is a common symptom leading patients to seek medical care.
• While a protective reflex, cough can negatively affect social well-being and quality of life.

Purpose:

• To outline the diagnostic approach for prolonged cough.
• To differentiate between productive and irritant cough etiologies.

Summary:

• Prolonged cough necessitates further investigation beyond self-limiting cases.
• Patient history aids in forming hypotheses like post-nasal drip, gastroesophageal reflux, or asthma.
• Diagnostic workup may include empirical therapy response, function testing, imaging, and endoscopy if initial steps are inconclusive.

Impact:

• Facilitates accurate diagnosis and targeted treatment of bothersome cough.
• Highlights the importance of distinguishing cough types for etiological determination.
• Provides a framework for managing complex cough cases requiring extensive investigation.