Adult-Onset Still's Disease

What is Adult-Onset Still's Disease?

A rare inflammatory multisystem disorder characterized clinically by four cardinal signs: fever of unknown origin, arthralgia or arthritis, hyperleucocytosis, and typical skin rash.

Other condition names

  • AOSD
  • Wissler-Fanconi syndrome

Inheritance type

Not applicable


  • Europe: 1-9 in 100,000

Age of Onset

  • Adult
  • Elderly
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