Type III Hypersensitivity: Pathogenesis and clinical findings Definition: Small antigen-antibody complexes (produced from normal immune response to foreign substances) deposit and accumulate in different tissues, triggering a maladaptive immune response. If self-antigens are the cause: • Systemic Lupus • Erythematosus (SLE) If bacterial antigens are the cause: • Arthritis • Post-infectious glomerulonephritis • Serum sickness #TypeIII #Type3 #HypersensitivityReaction #Allergy #Immunology #pathophysiology
