Diseases

Fever of Unknown Origin

Fever in which the etiology cannot be ascertained.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Fever in which the etiology cannot be ascertained.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

Synonyms

2 entry terms
  • Unknown Origin Fever
  • Unknown Origin Fevers

MeSH Record

Aspects Covered

35 allowable subheadings

Indexed with the subheadings blood, cerebrospinal fluid, chemically induced, classification, complications, congenital, diagnosis, diagnostic imaging, diet therapy, drug therapy, economics, embryology, enzymology, epidemiology, ethnology, etiology, genetics, history, immunology, metabolism, microbiology, mortality, nursing, parasitology, pathology, physiopathology, prevention & control, psychology, radiotherapy, rehabilitation, surgery, therapy, urine, veterinary, virology.

MeSH Record

Indexing Annotation

referred to as FUO; for ultimate determ of cause or origin coord FEVER OF UNKNOWN ORIGIN /etiol (IM) (not /diag) + disease /compl (IM) (not /diag)

MeSH Record

History Note

74(71)

MeSH Record

Previous Indexing

  • Fever (1966-1970)

MeSH Hierarchy

Tree Number

AMA Style

References

  1. National Library of Medicine. Fever of Unknown Origin. Medical Subject Headings (MeSH). 2026. Unique ID D005335. http://id.nlm.nih.gov/mesh/2026/D005335
  2. Fever of Unknown Origin. In: Wikipedia. https://en.wikipedia.org/wiki/Fever_of_unknown_origin
  3. Fever of Unknown Origin. In: Wikidata. https://www.wikidata.org/wiki/Q1405631