Definition: 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.
Synonyms (terms occurring on more labels are shown first): anaphylactoid purpura, Henoch-Schonlein purpura, Henoch-Schonlein, allergic purpura, Henoch-Schoenlein purpura, purpura allergic, Henoch- Schonlein purpura, Henoch Schonlein purpura
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