Severe Acute Respiratory Syndrome (SARS) Differential Diagnoses

Updated: Mar 13, 2019
  • Author: David J Cennimo, MD, FAAP, FACP, FIDSA, AAHIVS; Chief Editor: Michael R Pinsky, MD, CM, Dr(HC), FCCP, FAPS, MCCM  more...
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Diagnostic Considerations

Conditions to consider in the differential diagnosis of SARS include the following:

  • Foreign body aspiration

  • Influenza

  • Mycobacterium avium-intracellulare and other atypical mycobacterial diseases

  • Mycoplasma infections

  • Parainfluenza virus

  • Pleural effusion

  • Pneumococcal infections

  • Pneumocystis (carinii) jiroveci pneumonia

  • Aspiration pneumonia

  • Bacterial pneumonia

  • Fungal pneumonia

  • Viral pneumonia

  • Psittacosis

  • Q fever

  • Rhinoviruses

  • Rickettsialpox

  • Bacterial sepsis

  • Upper respiratory infection

Differential Diagnoses