Stephen J. Schueler, M.D.

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

Fever in Infants Overview

What is a fever in infants?
An infant with a fever has an abnormally elevated body temperature over 100.4 degrees F (38 C). Fever can be caused by a variety of conditions. In most cases, fever in infants is due to a viral or bacterial infection. The evaluation of fever varies with the age of the patient. Neonates with a fever and younger infants with a high fever should be managed with special consideration.

What are the symptoms of a fever in infants?
Symptoms of fever in infants depend on the underlying cause for the fever. Common symptoms include poor feeding in infants, fussy infant, vomiting, nasal congestion, rapid breathing, cough and diarrhea. Other symptoms include lethargy and febrile seizures.

How does the doctor treat a fever in infants?
Treatment for fever in infants depends on the underlying cause. Treatment may include rest, encourage fluids, and acetaminophen for fever control. Other treatment measures include antibiotics and antiviral medications.

Continue to Fever in Infants Evaluation

Last Updated: Feb 8, 2010 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Fever in Infants 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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