Fever

Fever of Unknown Origin Causes by Age

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Fever of Unknown Origin Causes by Age

  • See Also
  1. Fever
  2. Fever of Unknown Origin
  3. Drug-Induced Fever
  4. Fever of Unknown Origin Causes
  5. Fever in the Returning Traveler
  6. Fever in the Returning Traveler
  7. Fever of Unknown Origin Causes in Comorbid Conditions
  8. Fever of Unknown Origin History
  9. Fever of Unknown Origin Examination
  • Causes
  • Age <6 years old
  1. Infections (65%)
  2. Neoplastic Disease (8%)
  3. Autoimmune Disease (8%)
  4. Miscellaneous (13%)
  5. No Diagnosis (6%)
  • Causes
  • Age 6 to 14 years old
  1. Infections (38%)
  2. Neoplastic Disease (4%)
  3. Autoimmune Disease (23%)
  4. Miscellaneous (17%)
  5. No Diagnosis (19%)
  • Causes
  • Age >14 years old
  1. Infections (36%)
  2. Neoplastic Disease (19%)
  3. Autoimmune Disease (13%)
  4. Miscellaneous (25%)
  5. No Diagnosis (7%)
  • Causes
  • Age >65 years old
  1. Connective Tissue Disease (30%)
    1. Temporal Arteritis
    2. Polymyalgia Rheumatica
  2. Infection (25%)
  3. Cancer (12%)
  4. No Diagnosis (8%)
  5. Reference
    1. Knockhaert (1993) J Am Geriatr Soc 41:1187-92 [PubMed]