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Common etiologies of chronic cough HY
- 1. Common etiologies of chronic cough
Upper airway
disorders
• Upper airway cough syndrome
(postnasal drip)
• Chronic sinusitis
Lower airway
&
parenchymal
disorders
• Asthma
• Post-respiratory tract infection
• Chronic bronchitis
• Bronchiectasis
• Lung cancer
• Nonasthmatic eosinophilic bronchitis
Other causes
• Gastroesophageal reflux
• ACE inhibitors