Acquired C1 Esterase Inhibitor Deficiency

Acquired C1 esterase inhibitor deficiency presents with symptoms indistinguishable from hereditary angioedema, but generally with onset after the fourth decade of life.:153

C4 levels are low and C3 levels are normal.

See also

  • Hereditary Angioedema
  • Wheal response
  • Urticaria
  • Skin lesion
  • List of cutaneous conditions