Chronic Cough - Differential Diagnosis Algorithm

Red Flags:

 • Fever, night sweats, chills (infection)

 • Weight loss, fatigue (V sleep, or serious underlying dx, i.e. cancer)

 • Dyspnea (underlying lung disease or CHF)

 • Hemoptysis (blood in cough)

 • Abnormal physical findings (i.e. lymadenopathy, clubbing, chest exam, etc)

 • Abnormal CXR: refer + order CT, bronchoscopy to complete investigation

 • History of cancer, lung disease



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