Hereditary angioneurotic edema is rare causes swelling to another part of the main body is a genetic condition. Failure symptoms usually first childhood worsens swelling episodes, tend to become more often after puberty. The swelling of the face, limbs may be hereditary angioneurotic edema most often offensive, but generally life-threatening. However, you can affect conditions, respiratory and gastrointestinal tract are potentially serious complications may occur. You can provide to manage symptoms, but there is no definite cure doctor in medicine, clinical treatment episode occurs. Understand underlying genetic factors hereditary angioneurotic edema in recent research that has had. In healthy individuals, and control inflammation SERPING1 gene produces a protein called C1 inhibitor and swelling, play a major role in. There is one of the patients with hereditary angioneurotic edema SERPING1 gene inactivation or functioning abnormally. Inflammation of blood vessels and obstacles that infiltrated the ship from body tissue fluids is C1 Inhibitor low level to the. Frequent serious body one or episodes in several areas, will during the swelling.