Which conditions should be included in the differential diagnoses of community-acquired pneumonia (CAP)?

Updated: Oct 31, 2019
  • Author: Stephanie L Baer, MD; Chief Editor: Michael Stuart Bronze, MD  more...
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Aside from those mentioned above, the differential diagnoses to consider in the diagnosis of community-acquired pneumonia (CAP) include the following:

  • Acute bronchitis
  • Acute exacerbation of chronic bronchitis
  • Aspiration pneumonitis
  • Myocardial infarction
  • CHF and pulmonary edema
  • Pulmonary fibrosis
  • Sarcoidosis
  • SLE pneumonitis
  • Pulmonary drug hypersensitivity reactions (nitrofurantoin, daptomycin)
  • Drug-induced pulmonary disease (bleomycin)
  • Cryptogenic organizing pneumonia
  • Pulmonary embolus or infarction
  • Bronchogenic carcinomas
  • Radiation pneumonitis
  • Granulomatosis with polyangiitis (Wegener granulomatosis)
  • Lymphoma
  • Tracheobronchitis

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