May also be called: Sixth Disease; Exanthem Subitum; Roseola Infantum
Roseola (also known
as sixth disease) is a viral illness, most commonly affecting kids between 6 months
and 2 years old.
More to Know
Roseola is usually marked by several days of high fever,
followed by a distinctive rash just as the fever breaks. It begins with crankiness,
swollen glands, and a high fever — often over 103°F (39.4°C) —
that lasts for 3–7 days. In some cases, the fast-rising fever can trigger a
When the fever goes away, a pinkish-red rash
develops on the trunk that can last up to 3 days. The rash often spreads to the neck,
face, arms, and legs. The rash's spots turn white when touched, and individual spots
may have a lighter "halo" around them.
Roseola may be contagious during the fever phase. It is not contagious by the time
the rash breaks out.
Keep in Mind
Roseola is a common illness among infants and young children and usually gets better
in a week or so. The focus of treatment is keeping the child comfortable and hydrated.
All A to Z dictionary entries are regularly reviewed by KidsHealth medical