UpToDate
Official reprint from UpToDate®
www.uptodate.com ©2016 UpToDate®

Febrile infant (younger than 90 days of age): Definition of fever

Authors
Hannah F Smitherman, MD
Charles G Macias, MD, MPH
Section Editors
Stephen J Teach, MD, MPH
Morven S Edwards, MD
Deputy Editor
James F Wiley, II, MD, MPH

INTRODUCTION

This topic will review the definition of fever in young infants 7 to 90 days of age.

The evaluation and management of febrile young infants 7 to 90 days of age and of neonates younger than seven days is discussed separately:

(See "Febrile infant (younger than 90 days of age): Outpatient evaluation".)

(See "Febrile infant (younger than 90 days of age): Management".)

(See "Clinical features, evaluation, and diagnosis of sepsis in term and late preterm infants" and "Management and outcome of sepsis in term and late preterm infants".)

        

Subscribers log in here

To continue reading this article, you must log in with your personal, hospital, or group practice subscription. For more information or to purchase a personal subscription, click below on the option that best describes you:
Literature review current through: Nov 2016. | This topic last updated: Sun Jul 31 00:00:00 GMT+00:00 2016.
The content on the UpToDate website is not intended nor recommended as a substitute for medical advice, diagnosis, or treatment. Always seek the advice of your own physician or other qualified health care professional regarding any medical questions or conditions. The use of this website is governed by the UpToDate Terms of Use ©2016 UpToDate, Inc.
References
Top
  1. Maniaci V, Dauber A, Weiss S, et al. Procalcitonin in young febrile infants for the detection of serious bacterial infections. Pediatrics 2008; 122:701.
  2. Kadish HA, Loveridge B, Tobey J, et al. Applying outpatient protocols in febrile infants 1-28 days of age: can the threshold be lowered? Clin Pediatr (Phila) 2000; 39:81.
  3. Baker MD, Bell LM. Unpredictability of serious bacterial illness in febrile infants from birth to 1 month of age. Arch Pediatr Adolesc Med 1999; 153:508.
  4. Bachur RG, Harper MB. Predictive model for serious bacterial infections among infants younger than 3 months of age. Pediatrics 2001; 108:311.
  5. Hui C, Neto G, Tsertsvadze A, et al. Diagnosis and Management of Febrile Infants (0-3 months). Evidence Report/Technology Assessment No. 205 (Prepared by the University of Ottawa: Evidence-based Practice Center under Contract No. HHSA 290-2007-10059-I). AHRQ Publication No. 12-E004-EF. Rockville, MD: Agency for Healthcare Research and Quality. March 2012. Available at http://www.ahrq.gov/research/findings/evidence-based-reports/febrinftp.html (Accessed August 3, 2015)
  6. Callanan D. Detecting fever in young infants: reliability of perceived, pacifier, and temporal artery temperatures in infants younger than 3 months of age. Pediatr Emerg Care 2003; 19:240.
  7. Non-contact thermometers for detecting fever: A review of clinical effectiveness. Rapid Response Report: Summary with Critical Appraisal. Ottawa (ON): Canadian Agency for Drugs and Technologies in Health. 2014 PMID: 25520984.
  8. Teran CG, Torrez-Llanos J, Teran-Miranda TE, et al. Clinical accuracy of a non-contact infrared skin thermometer in paediatric practice. Child Care Health Dev 2012; 38:471.
  9. Fortuna EL, Carney MM, Macy M, et al. Accuracy of non-contact infrared thermometry versus rectal thermometry in young children evaluated in the emergency department for fever. J Emerg Nurs 2010; 36:101.
  10. Bonadio WA, Hegenbarth M, Zachariason M. Correlating reported fever in young infants with subsequent temperature patterns and rate of serious bacterial infections. Pediatr Infect Dis J 1990; 9:158.
  11. Pantell RH, Newman TB, Bernzweig J, et al. Management and outcomes of care of fever in early infancy. JAMA 2004; 291:1203.
  12. Grover G, Berkowitz CD, Lewis RJ, et al. The effects of bundling on infant temperature. Pediatrics 1994; 94:669.