Henoch-Schönlein Purpura (HSP)

Henoch-Schönlein Purpura (HSP)

TL;DR Henoch-Schönlein Purpura (HSP) is a systemic small-vessel vasculitis characterized by palpable purpura, arthritis/arthralgia, abdominal pain, and often kidney involvement. Causes ▾: Exact cause unknown; likely triggered by infections (e.g., upper respiratory),...