Angioedema is a swelling, similar to hives, but the swelling is beneath the skin rather than on the surface. Hives are often called welts. They are a surface swelling. It is also possible to have angioedema without hives.
Angioneurotic edema; Welts
Angioedema may be caused by an allergic reaction. During the reaction, histamine and other chemicals are released into the...Read more
"Doc, I've had swelling off and on for more than 15 years. The medications my doctor has been giving me don't seem to work as well. It... Read more »