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

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

   Aug 14, 2023 · This activity reviews the cause and presentation of fever of unknown origin and highlights the role of the interprofessional team in its management. Objectives: Describe the workup of a patient with a fever of unknown origin.

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

   • Publish Year: 2021

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

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   Jul 9, 2024 · Fever of unknown origin (FUO) is body temperature ≥ 38.3° C (≥ 101° F) rectally that does not result from transient and self-limited illness, rapidly fatal illness, or disorders with clear-cut localizing symptoms or signs or with abnormalities on common tests such as chest radiograph, urinalysis, or blood cultures.

   • Author: Larry M. Bush

3. Videos

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     An Approach to Fever of Unknown Origin (FUO)

     Oct 21, 2020

     78.3K Views

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     4:37

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

     Jul 29, 2022

     10K Views

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     Fever of unknown origin | FUO | Definition | Etiology | Lab diagnosis

     May 22, 2023

     1.6K Views

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4. www.uptodate.com › contents › fever-of-unknownFever of unknown origin in adults: Evaluation and management

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   Nov 28, 2023 · Clinicians commonly refer to a febrile illness without an initially obvious etiology as fever of unknown origin (FUO). However, most febrile illnesses either resolve before a diagnosis can be made or develop distinguishing characteristics that lead to a diagnosis.

5. emedicine.medscape.com › article › 217675-clinicalFever of Unknown Origin (FUO) Clinical Presentation - Medscape

   emedicine.medscape.com › article › 217675-clinical

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   Fever of unknown origin (FUO) was defined in 1961 by Petersdorf and Beeson as the following: (1) a temperature greater than 38.3°C (101°F) on several occasions, (2) more...

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

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   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...

7. www.sciencedirect.com › fever-of-unknown-originFever of Unknown Origin - an overview | ScienceDirect Topics

   www.sciencedirect.com › fever-of-unknown-origin

   Fever of unknown origin (FUO) is an illness characterized by fever greater than 101° F for at least 3 weeks that remains undiagnosed after an initial evaluation, including a comprehensive history, examination, and basic laboratory testing.

8. People also ask

   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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   What is the epidemiology of fever of unknown origin (FUO)?

   • Epidemiology of fever of unknown origin (FUO) varies based on etiology of fever, age group, geography, environmental exposure, and immune/HIV status. In developing countries, an infectious etiology of FUO is most prevalent whereas, in developed countries, FUO is likely due to non-infectious inflammatory disease.

   Fever of Unknown Origin - StatPearls - NCBI Bookshelf

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

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   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/

   See all results for this question

   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/

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   How do you know if you have a fever of unknown origin?

   • 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).

   Fever of Unknown Origin (FUO) Clinical Presentation - Medscape

   emedicine.medscape.com/article/217675-clinical

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   How many cases of fever of unknown origin are there?

   • Mansueto P, Di Lorenzo G, Rizzo M, Di Rosa S, Vitale G, Rini G, Mansueto S, Affronti M. Fever of unknown origin in a Mediterranean survey from a division of internal medicine: report of 91 cases during a 12-year-period (1991-2002). Intern Emerg Med. 2008 Sep;3(3):219-25. [PubMed]

   Fever of Unknown Origin - StatPearls - NCBI Bookshelf

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

   See all results for this question

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

   www.nejm.org › doi › full

   Feb 2, 2022 · In 1961, Petersdorf and Beeson defined fever of unknown origin (FUO) as a temperature of 38.3°C or higher for at least 3 weeks without a diagnosis, despite 1 week of inpatient...