Roseola usually causes a high fever that lasts about three to five days. The fever can reach temperatures as high as 103 to 105 degrees. Just as the fever breaks, a rash usually forms on the trunk.

People who get sick from German measles have the following problems one to five days before the rash appears: Roseola is a ...

In roseola, after an incubation period of 5–15 days, infected children develop high fevers that last 3–5 days. This is followed by the acute onset of a rosey pink, nonpruritic macular rash ...