What should be the focus of history for fever of unknown origin (FUO)?

Updated: Mar 01, 2018
  • Author: Sandra G Gompf, MD, FACP, FIDSA; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

The history can provide important clues to fever of unknown origin (FUO) due to zoonoses, malignancies, and inflammatory/immune disorders. In adults with FUO, inquire about symptoms involving all major organ systems and obtain a detailed history of general symptoms (eg, fever, weight loss, night sweats, headaches, rashes). Record all symptoms, even those that disappeared before the examination. Previous illnesses (including psychiatric illnesses) are important. Look for patterns of symptoms and relapsing fevers.


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