exanthem subitum
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Related to exanthem subitum: erythema infectiosum, roseola infantum, scarlet fever, Kaposi Sarcoma, sixth disease
exanthem subitum
[eg′zan·thəm ′sü·bəd·əm] (medicine)
A mild, sometimes epidemic viral disease of young children, with abrupt onset, high fever, and rash. Also known as roseola infantum.