Roseola

  • Medical Author:
    John Mersch, MD, FAAP

    Dr. Mersch received his Bachelor of Arts degree from the University of California, San Diego, and prior to entering the University Of Southern California School Of Medicine, was a graduate student (attaining PhD candidate status) in Experimental Pathology at USC. He attended internship and residency at Children's Hospital Los Angeles.

  • Medical Editor: William C. Shiel Jr., MD, FACP, FACR
    William C. Shiel Jr., MD, FACP, FACR

    William C. Shiel Jr., MD, FACP, FACR

    Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.

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How do health-care professionals diagnose roseola?

The characteristic clinical pattern of sudden onset of high fever and development of the typical rash at the time of fever resolution generally enables a rapid diagnosis without any laboratory studies. For unusual presentations, patients with complications or those with immune deficiency states, several forms of blood tests can assist in establishing the diagnosis.

How high can the fever go with roseola?

The fever can be quite high. The fever averages 103.5 F (39.7 C), but it can go up as high as 106 F (41.2 C).

What are home remedies for roseola?

Since roseola patients experience a moderate fever, medications to lower fever (antipyretics) are helpful in lowering fever and lessening any associated discomfort (such as headache). Such medications include acetaminophen and/or ibuprofen. A cool bath (approximate water temperature of 85 degrees) may also be therapeutic. No therapy is necessary regarding the rash of roseola since it does not cause symptoms, it is short-lived, and it resolves spontaneously.

Medically Reviewed by a Doctor on 7/27/2016

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