Roseola is a rash caused by the human herpesvirus-6. The rash lasts 1 or 2 days, then it disappears. It happens to children between 6 months and 3 years old. Your child has roseola if:
The rash lasts 1 or 2 days, followed by complete recovery. Some children have 3 days of fever without a rash.
No particular treatment is necessary. Roseola can be spread to another child until the rash is gone. Other children of this age who have been with your child may come down with roseola in 9 to 10 days.
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