• R C Baker, T Tiller, J C Bausher, P S Bellet, W H Cotton, A H Finley, A M Lenane, C McHenry, K K Perez, and R A Shapiro.
• Division of Ambulatory and Community Pediatrics, Children's Hospital Medical Center, Cincinnati, OH 45229-2899.
• Pediatrics. 1989 Jun 1; 83 (6): 1016-9.

AbstractA prospective study of the effects of fever reduction on the clinical appearance of infants at risk for occult bacteremia was undertaken to study the hypothesis that infants with bacteremic illness fail to improve clinically following defervescence compared with infants with benign viral illness. A total of 154 children were enrolled in the study, including 19 with bacteremia: 13 with occult Streptococcus pneumoniae bacteremia, two with occult Haemophilus influenzae, type b bacteremia, and four with Haemophilus meningitis and bacteremia. There were no differences in degree of temperature reduction with acetaminophen between the bacteremic and nonbacteremic groups of infants. Among infants with bacteremia but without meningitis, differences from nonbacteremic children were detected in clinical appearance prior to fever reduction but not following defervescence. All patients with meningitis appeared seriously ill before and after defervescence. It was concluded that clinical improvement with defervescence is not a reliable indicator of the presence of occult bacteremia. Lack of clinical improvement with defervescence may be a reliable indicator for the presence of meningitis. Because there were differences in clinical appearance prior to fever reduction, routine administration of acetaminophen may interfere with the clinical evaluation by the physician.

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