an inherited as a type of angioedema. (Angioedema is also named Quinke's condition.) Persons with it are born lacking an inhibitor necessary protein (called C1 esterase inhibitor) that normally prevents activation of a cascade of proteins ultimately causing the swelling of angioedema. Clients can develop recurrent attacks of swollen tissues, discomfort in the abdomen, and inflammation regarding the voice box (larynx) that could compromise breathing. The analysis is suspected with a history of recurrent angioedema. It's verified by finding uncommonly lower levels of C1 esterase inhibitor into the blood. Treatment plans include antihistamines and male steroids (androgens) that will additionally avoid the recurrent assaults. Also referred to as hereditary angioedema.