The disease causes swelling in the veins of the kidneys, intestines, skin, and joints. Cest une vasculite des petits vaisseaux qui touche. Pdf schoenleinhenoch purpura in adulthood gastrointestinal. Henochschonlein purpura symptoms and causes mayo clinic. Henochschonlein purpura hsp is the most common form of acute vasculitis primarily affecting children. Clinical features include skin rashes, arthritis, abdominal pain and nephritis. Its most common feature is a bright, reddishpurple rash that usually appears on the legs. Henochschonlein purpura also known as iga vasculitis is a disorder that causes the small blood vessels in your skin, joints, intestines, and kidneys to become inflamed and bleed. Henochschonlein purpura is a particular form of blood vessel inflammation called vasculitis henochschonlein purpura frequently follows an infection of the throat or breathing passages.