Henoch-Schönlein purpura (HSP) is an IgA-mediated, autoimmune hypersensitivity vasculitis of childhood. The main clinical features are skin purpura, arthritis, abdominal pain, gastrointestinal bleeding, and nephritis. The aetiology remains unknown.
This is a companion discussion topic for the original article at https://patient.info/doctor/henoch-schonlein-purpura-pro