What is allergic Purple fees nephritis?

Henoch-Schonlein purpura is systemic damage to small blood vessels as the main pathological basis, a clinical skin purpura, hemorrhagic gastroenteritis, arthritis and kidney damage characteristics of the syndrome. As Henoch-Schonlein purpura patients about 1 / 3 more than in kidney damage, the prognosis depends mainly on the severity of the nephropathy, therefore Henoch-Schonlein purpura caused by kidney damage called Henoch-Schonlein Purpura Nephritis.