Roseola

Roseola (roseola infantum) is a mild viral illness affecting young children. The condition is characterized by a sudden high fever [103°F (39.4°C) to 105°F (40.6°C)] followed by a rosy-pink rash appearing mostly on the torso, neck, and arms.

Fever seizures may occur with the illness because of the rapid increase in a child's temperature. The fever may last 2 to 3 days. As a child's temperature gradually drops, the rash usually forms and lasts 1 to 2 days.

Roseola is most common in children 6 months to 2 years of age. It is rare after age 4.

Last Updated: August 6, 2008

Author: Debby Golonka, MPH

Medical Review: Michael J. Sexton, MD - Pediatrics & Alexander H. Murray, MD, FRCPC - Dermatology

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