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20 Diseases You've Probably Never Heard Of


12
Adult Onset Still's Disease
Symptoms of this disease include skin rashes.
Symptoms of this disease include skin rashes.
©iStockphoto.com/KarenMower

This rare autoinflammatory disorder (sometimes referred to as AOSD or Wissler-Fanconi Syndrome) affects the entire body. The cause is unknown. Affected individuals may develop episodes of high, spiking fevers, a pink or salmon-colored rash, joint pain, muscle pain and sore throat. Episodes vary in frequency and severity.

Read More About the Disease From NORD


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