Internal medicine
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Kawasaki disease (KD) is a systemic vasculitis syndrome that mostly affects children under 4 years old. Among the reported KD cases, only 1% were over 10 years old. ⋯ Repeated intravenous immunoglobulin therapy was effective in the 19-year-old, while plasma exchange therapy was needed for the 17-year-old, with no sequelae noted at discharge. KD should be considered as a differential diagnosis for persistent fever in adults.