Acquired complement deficiency

external

• Synonyms

  • Acquired hypocomplementaemia

• Causes

  • Systemic lupus erythematosus
  • Post-streptococcal autoimmunity
  • Essential mixed cryoglobulinaemia
  • Lupus nephropathy
  • Membranous glomerulonephritis
  • Proliferative glomerulonephritis
  • Shunt nephritis
  • Minimal change glomerulonephritis
  • Cholesterol embolus
  • Infective endocarditis

• Parents

  • Low complement activity

• Children

  • Acquired low C4
  • Acquired low C3