IgA vasculitis

A hypersensitivity vasculitis that is characterized by purpura (purplish plaques), arthralgia, gastrointestinal upset, and/or glomerulonephritis, and may be related to increased immune response following an infection.

Also known as: Allergic purpura; Autoimmune purpura; HSP; Henoch Schoenlein purpura; Henoch Scholein purpura