<prompt> Most common symptom of Henoch Schnolein purpura Is ?IntussceptionPurpuraEdemaVomiting  <response>: HSP is a small vessel vasculitis caused by immune complex deposition following an infectious trigger. The usual presentation is with purpura over the buttocks lower legs,accompanied by abdominal pain,gastrointestinal bleeding, aharlgia. Reference:Davidsons principles practice of medicine 22nd edition pg no 1119 