IgA Vasculitis

**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.

**Tree numbers:** - C14.907.940.777 - C15.378.100.802.375 - C15.378.463.515.580 - C17.800.862.329 - C20.543.520.600 - C23.550.414.950.375 - C23.888.885.687.375

**Synonyms:** - Allergic Purpura - Anaphylactoid Purpura - Schoenlein-Henoch Purpura - Henoch-Schoenlein Purpura - Purpura, Schoenlein-Henoch - Henoch Purpura - Henoch-Schonlein Purpura - Henoch Schonlein Purpura - Purpura, Schonlein-Henoch