Causes of Chronic Cough - Differential Diagnosis Algorithm Abnormal Chest X-Ray: • Chronic Infection (Eg. Fungal, Tuberculosis) • Neoplasm • CHF • Interstitial Disease • Foreign Body • Bronchiectasis Obstructive Disease (FEV1/FVC < LLN): • Asthma • COPD Upper Airway • Rhinosinusitis / Upper Airway Cough Syndrome Lower Airway: • Asthma • Post-Infectious • Smoker's Cough • Non-Asthmatic Eosinophilic Bronchitis: • Aspiration Other: • ACE Inhibitor • Reflux-Associated Cough • Psychogenic Cough • Vocal Cord Dysfunction #Cough #Chronic #Differential #Diagnosis #Algorithm #Causes #PrimaryCare
