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Table 1 The causes of chronic cough seen in the ENT clinic

From: The larynx in cough

Nasal Laryngeal Lower respiratory tract Others
Post-nasal drip GERD/LPR Asthma Psychogenic
  Laryngeal dysfunction Eosinophilic bronchitis Idiopathic
  Laryngotracgeal stenosis COPD  
  Swallowing disorders Interstitial Lung Disease  
  Systemic Diseases Foreign Body  
  Neurological   
  Drugs   
  OSAS