ANGIOEDEMA – WHAT IS ANGIOEDEMA?

Angioedema is a sudden swelling that occurs on skin’s deep layer (deep dermis and subcutaneous).
It occurs in 40-50% of acute or chronic urticaria, as an adjuvant to these pictures. It may also develop alone, i.e., with no concurrent urticaria lesion.

References:
Allergy. 2014 Jul;69(7):868-87
Immunol Allergy Clin N Am. 2014;34 : 23–31
Int J Emerg Med. 2012 Nov 6;5(1):39