A systemic non-thrombocytopenic purpura caused by HYPERSENSITIVITY VASCULITIS and deposition of IGA-containing IMMUNE COMPLEXES within the blood vessels throughout the body, including those in the kidney (KIDNEY GLOMERULUS). Clinical symptoms include URTICARIA; ERYTHEMA; ARTHRITIS; GASTROINTESTINAL HEMORRHAGE; and renal involvement. Most cases are seen in children after acute upper respiratory infections.
Also Known As:
Purpura, Schoenlein Henoch; Anaphylactoid Purpura; Nonthrombocytopenic Purpura; Allergic Purpura; Henoch Purpura; Purpura, Schoenlein-Henoch; Henoch Schonlein Purpura; Henoch-Schonlein Purpura; Purpura, Nonthrombopenic; Purpura, Schonlein-Henoch; Hemorrhagic Vasculitis; Hemorrhagica, Purpura; Henoch Schoenlein Purpura; Henoch Schonlein Purpuras; Henoch-Schonlein Purpuras; Nonthrombopenic Purpura; Nonthrombopenic Purpuras; Purpura, Allergic; Purpura, Anaphylactoid; Purpura, Henoch; Purpura, Henoch Schonlein; Purpura, Henoch-Schoenlein; Purpura, Henoch-Schonlein; Purpura, Rheumatoid; Purpura, Schonlein Henoch; Purpuras, Henoch Schonlein; Purpuras, Henoch-Schonlein; Purpuras, Nonthrombopenic; Purpuras, Schonlein-Henoch; Schoenlein Henoch Purpura; Schonlein Purpura, Henoch; Schonlein Purpuras, Henoch; Schonlein-Henoch Purpura; Schonlein-Henoch Purpuras; Henoch-Schoenlein Purpura; Purpura Hemorrhagica; Purpura, Nonthrombocytopenic; Rheumatoid Purpura; Vasculitis, Hemorrhagic