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1. pmc.ncbi.nlm.nih.gov › articles › PMC6647059Fever of unknown origin (FUO): which are the factors ...

   pmc.ncbi.nlm.nih.gov › articles › PMC6647059

   Fever of unknown origin (FUO) was originally defined by Petersdorf and Beeson as an illness of more than 3 weeks’ duration, with fever greater than 38.3 °C (101 °F) on several occasions, the cause of which is uncertain after 1 week of in-hospital investigations.

   • Fever of Unknown Origin - StatPearls - NCBI Bookshelf

     The causes of fever of unknown origin (FUO) are often common...

   • Infectious causes of fever of unknown origin - PMC

     A variety of bacterial infections can cause FUO, and these...

2. www.merckmanuals.com › fever-of-unknown-origin-fuoFever of Unknown Origin (FUO) - Fever of Unknown Origin (FUO ...

   www.merckmanuals.com › fever-of-unknown-origin-fuo

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   Jul 9, 2024 · Miscellaneous (15 to 25%) Infections are the most common cause of FUO. In patients with HIV infection, opportunistic infections (eg, tuberculosis; infection by atypical mycobacteria, disseminated fungi, or cytomegalovirus) should be sought.

   • Author: Larry M. Bush

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     An Approach to Fever of Unknown Origin (FUO)

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     Fever of Unknown Origin (FUO) - Causes. Unexplained Fever, Low grade fever

     Jul 29, 2022

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     Fever/Pyrexia of Unknown Origin (FUO/PUO) Medicine Lecture, Diagnosis, Causes, Harrison NeetPg USMLE

     Dec 9, 2023

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4. www.ncbi.nlm.nih.gov › books › NBK532265Fever of Unknown Origin - StatPearls - NCBI Bookshelf

   www.ncbi.nlm.nih.gov › books › NBK532265

   Aug 14, 2023 · The causes of fever of unknown origin (FUO) are often common conditions presenting atypically. The list of causes is extensive, and it is broken down into broader categories, such as infection, noninfectious inflammatory conditions, malignancies, and miscellaneous.

   • Author: Ilona Brown, Nancy A. Finnigan
   • Published: 2023/08/14

   • Publish Year: 2021

5. www.aafp.org › pubs › afpFever of Unknown Origin in Adults | AAFP

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   Common causes of FUO include infections, malignancies, noninfectious inflammatory disease (e.g., vasculitides, granulomatous disease, connective tissue diseases), miscellaneous, and...

6. www.nejm.org › doi › fullFever of Unknown Origin | New England Journal of Medicine

   www.nejm.org › doi › full

   Feb 2, 2022 · The major causes of classic FUO are infections, cancers, autoinflammatory or autoimmune conditions, and miscellaneous causes. 3 A review of all infections causing FUO is not possible...

7. www.amjmed.com › article › S0002-9343(15)00542-2Fever of Unknown Origin: A Clinical Approach - The American ...

   www.amjmed.com › article › S0002-9343(15)00542-2

   Jun 17, 2015 · Because fever of unknown origin may be caused by over 200 malignant/neoplastic, infectious, rheumatic/inflammatory, and miscellaneous disorders, clinicians often order non-clue-based imaging and specific testing early in the fever of unknown origin work-up, which may be inefficient/misleading.

8. People also ask

   What causes fever of unknown origin (FUO)?

   • The causes of fever of unknown origin (FUO) are often common conditions presenting atypically. The list of causes is extensive, and it is broken down into broader categories, such as infection, noninfectious inflammatory conditions, malignancies, and miscellaneous. Noninfectious Inflammatory Causes of FUO Infectious Causes of FUO

   Fever of Unknown Origin - StatPearls - NCBI Bookshelf

   www.ncbi.nlm.nih.gov/books/NBK532265/

   See all results for this question

   What is a fever of unknown origin?

   • Fever of unknown origin is defined as a clinically documented temperature of 101°F or higher on several occasions, coupled with an unrevealing diagnostic workup. The differential diagnosis is broad but is typically categorized as infection, malignancy, noninfectious inflammatory disease, or miscellaneous.

   Fever of Unknown Origin in Adults - AAFP

   www.aafp.org/pubs/afp/issues/2022/0200/p137.html

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   Who first described Fever of unknown origin (FUO)?

   • StatPearls [Internet]. Ilona Brown; Nancy A. Finnigan. Last Update: August 14, 2023. Fever of unknown origin (FUO) was first described by Dr. Petersdorf and Dr. Beesom in 1961.

   Fever of Unknown Origin - StatPearls - NCBI Bookshelf

   www.ncbi.nlm.nih.gov/books/NBK532265/

   See all results for this question

   What is a recurrent fever of unknown origin (FUO)?

   • Recurrent fever of unknown origin (FUO): aseptic meningitis, hepatosplenomegaly, pericarditis and a double quotidian fever due to juvenile rheumatoid arthritis (JRA). [Heart Lung. 2012] Fever of unknown origin (FUO). II. Diagnostic procedures in a prospective multicenter study of 167 patients. The Netherlands FUO Study Group.

   Fever of Unknown Origin - StatPearls - NCBI Bookshelf

   www.ncbi.nlm.nih.gov/books/NBK532265/

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   What causes a prolonged fever?

   • Among the ancients, typhoid fever and malaria were common causes of prolonged fevers. 1 Few infections are associated with prolonged fevers. 2 Petersdorf and Beeson 3 developed criteria for prolonged fevers, that is, fever of unknown origin, defined as fever ≥38.3°C (101°F) for >3 weeks that remains undiagnosed after a hospital work-up.

   Fever of Unknown Origin: A Clinical Approach

   www.amjmed.com/article/S0002-9343(15)00542-2/fulltext

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   What causes a Nosocomial FUO?

   • Nosocomial FUO: Healthcare-associated fevers can be due to drug fever, complications post-operatively, venous thromboembolic disease, malignancy, transfusion-related reactions, or Clostridium difficile infection.

   Fever of Unknown Origin - StatPearls - NCBI Bookshelf

   www.ncbi.nlm.nih.gov/books/NBK532265/

   See all results for this question

9. pmc.ncbi.nlm.nih.gov › articles › PMC4953115Infectious causes of fever of unknown origin - PMC

   pmc.ncbi.nlm.nih.gov › articles › PMC4953115

   A variety of bacterial infections can cause FUO, and these can be divided into those that are easy to identify using culture and those that require serological or molecular tests for identification. A number of viral, parasitic and fungal infections can also cause prolonged fever.