What is the patient history in roseola infantum?

Updated: Oct 09, 2020
  • Author: Christopher R Gorman, MD; Chief Editor: William D James, MD  more...
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The classic roseola infantum patient is a 9- to 12-month-old infant in previously good health and who has an abrupt onset of high fever (40°C), which lasts for 3 days with nonspecific complaints. A febrile seizure occurs in 15% of patients. Rapid defervescence is striking with the onset of a mild, pink, morbilliform exanthem.

In roseola infantum patients who are immunocompromised, the onset of symptoms is usually abrupt, with fever, malaise, and CNS and other organ system involvement.

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