Summary
Differentials
Common
- Infección urinaria
- Neumonía
- Enfermedad de coronavirus 2019 (COVID-19)
- Otitis media aguda
- Amigdalitis
- Sinusitis
- Meningitis
- Bacteriemia (oculta)
- Sepsis
- Artritis séptica
- Osteomielitis
- Enfermedad por arañazo de gato
- Síndromes virales
- Mononucleosis infecciosa
- Infección por citomegalovirus
- Infección por malaria
- Enfermedad de Lyme
- Tuberculosis
- Enfermedad de Kawasaki
- Artritis idiopática juvenil (AIJ)
- Lupus eritematoso sistémico
- Fiebre reumática
- Enfermedad de Crohn
- Colitis ulcerosa
- Leucemia
- Linfoma no Hodgkin
- Fiebre relacionada con fármacos
- Reacción a las vacunas
- Escarlatina
Uncommon
- Fiebre tifoidea (fiebre entérica)
- Endocarditis
- Absceso hepático
- Absceso cerebral
- Síndrome del shock tóxico estreptocócico
- Síndrome del shock tóxico estafilocócico
- Tularemia
- Brucelosis
- Leptospirosis
- Encefalitis
- Miocarditis
- Infección por virus herpes simple (VHS)
- Infección por virus de la inmunodeficiencia humana (VIH)
- Toxoplasmosis
- Fiebre maculosa de las Montañas Rocosas
- Sarcoidosis
- Linfoma de Hodgkin
- Crisis tiroidea
- Síndrome de la serotonina
- Enfermedad del suero/reacción similar a la enfermedad del suero
- Fiebre ficticia
- Trastorno facticio impuesto a otro (antes síndrome de Munchausen por poderes)
- Enfermedad relacionada con el calor
- Trastornos autonómicos pediátricos
- Dengue
Contributors
Authors
Paul Ishimine, MD

Director
Pediatric Emergency Medicine
Department of Emergency Medicine
UC San Diego Health System
Fellowship Director
Pediatric Emergency Medicine
Rady Children's Hospital, San Diego
Clinical Professor of Emergency Medicine and Pediatrics
University of California
San Diego School of Medicine
San Diego
CA
Disclosures
PI declares that he has no competing interests.
Peer reviewers
Linton Yee, MD
Associate Professor
Departments of Pediatrics and Surgery
Director of Pediatric Emergency Medicine Education
Duke University School of Medicine
Durham
NC
Disclosures
LY declares that he has no competing interests.
Philip Spandorfer, MD, MSCE
Pediatric Emergency Medicine
Children's Healthcare of Atlanta at Scottish Rite
Atlanta
GA
Disclosures
PS declares that he has no competing interests.
Esse Menson, null
Consultant in Paediatric Infectious Diseases
Evelina Children's Hospital
London
UK
Disclosures
EM declares that she has no competing interests.
References
Key articles
National Institute for Health and Care Excellence. Fever in under 5s: assessment and initial management. Nov 2021 [internet publication].Full text
Pantell RH, Roberts KB, Adams WG, et al. Evaluation and management of well-appearing febrile infants 8 to 60 days old. Pediatrics. 2021 Aug;148(2):e2021052228.Full text Abstract
American College of Radiology. ACR appropriateness criteria: fever without source or unknown origin-child. 2015 [internet publication].Full text
American College of Emergency Physicians Clinical Policies Subcommittee (Writing Committee) on Pediatric Fever, Mace SE, Gemme SR, et al. Clinical policy for well-appearing infants and children younger than 2 years of age presenting to the emergency department with fever. Ann Emerg Med. 2016 May;67(5):625-39.e13.Full text Abstract
Reference articles
A full list of sources referenced in this topic is available to users with access to all of BMJ Best Practice.
Guidelines
- Clinical pathway for evaluation/treatment of children with fever
- Febrile child
More GuidelinesPatient information
Infecciones urinarias en niños
Meningitis y septicemia
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