Cough – Differential Diagnosis

Red flags
  • Systemic symptoms (fever, weight loss, night sweats)
  • Haemoptysis
  • Persistent hoarse voice
  • Significant dyspnoea
  • HIV
  • History of cancer
Investigations to consider
  • FBC, CRP/ESR
  • Serum ACE levels
  • PEFR, Spirometry
  • CXR
  • Sputum cultures (including AFB)
  • CT scan
  • Bronchoscopy

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