Henoch'Schonlein purpura

Henoch'Schonlein purpura

A bleeding disorder, mainly affecting children and caused by an allergic (anaphylactoid) reaction. There is bleeding into the skin, the intestines and the joints, causing abdominal pain and arthritis. See also PURPURA. (Eduard Heinrich Henoch, German paediatrician, 1820–1910, and Johann Lukas Schonlein, Bavarian pathologist, 1793–1864).