Stephen J. Schueler, M.D.

Overview Evaluation taking temperatures Treatment Home Care medications warning signs Underlying Cause Types

Infant Fever Types

Fever pattern can be described as:

Fever grade can be described as:
  • Low-grade fever:
    • Temperature less than 101 degrees F (38.3 C)
  • High-grade fever:
    • Temperature over 104 degrees F (40 C)

The following infants require an evaluation by a physician:
  • An infant less than 2 months old, who has a fever over 100.4 degrees F (38 C)
  • An infant less than 2 years old, who has a fever over 101.9 degrees F (38.8 C)
  • An infant less than 2 years old, who has a fever longer than 1 day
  • An infant with a fever over 102.9 degrees F (39.4 C)
  • An infant with a fever that lasts longer than 3 days

Last Updated: Jan 13, 2009 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Infant Fever References
  1. Losek JD. Acetaminophen dose accuracy and pediatric emergency care. Pediatr Emerg Care. 2004 May;20(5):285-8. [15123898]
  2. McCarthy P. Fever without apparent source on clinical examination. Curr Opin Pediatr. 2005 Feb;17(1):93-110. [15659971]
  3. Miller LC, Sisson BA, Tucker LB, Schaller JG. Prolonged fevers of unknown origin in children: patterns of presentation and outcome. J Pediatr. 1996 Sep;129(3):419-23. [8804332]
  4. Perrone J, Hollander JE, Datner EM. Emergency Department evaluation of patients with fever and chemotherapy-induced neutropenia. J Emerg Med. 2004 Aug;27(2):115-9. [15261351]
  5. Russell FM, Shann F, Curtis N, Mulholland K. Evidence on the use of paracetamol in febrile children. Bull World Health Organ. 2003;81(5):367-72. [12856055]
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