Diseases and Conditions

Henoch-Schonlein purpura

Risk factors

Factors that increase the risk of developing Henoch-Schonlein purpura include:

  • Age. The disease mainly affects children younger than 10.
  • Sex. Henoch-Schonlein purpura is slightly more common in males than in females.
  • Race. White and Asian children are more likely to develop Henoch-Schonlein purpura than are black children.