Hereditary angioedema (HAE) is a rare, genetic disorder that causes episodes of swelling in the face, hands, feet and elsewhere. Symptoms usually begin in childhood.

HAE accounts for only a small fraction of all cases of angioedema. To avoid potentially fatal consequences such as upper airway obstruction and unnecessary abdominal surgery, the …

Dec 4, 2025 · Hereditary angioedema (HAE) is a rare genetic condition that causes swelling under the skin and lining of your gut and lungs. “Angio” means it affects your blood vessels.

What is Hereditary Angioedema (HAE)? Hereditary Angioedema, or HAE, is a very rare and potentially life-threatening genetic condition that involves recurrent attacks of severe swelling …

The most common cause of HAE is a decrease in C1 esterase inhibitor (C1 INH), a protein that is part of our body’s normal immune system. A peptide called bradykinin is thought to be …

HAE International is a global non-profit network of member organizations dedicated to raising awareness of hereditary angioedema and improving the lives of people with HAE.

Discover HAEVN Hub, a support resource for those living with hereditary angioedema (HAE). Connect, hear stories, and find tools that may help.

Apr 22, 2025 · Hereditary angioedema (HAE) is a rare genetic disorder that runs in families. It causes extreme swelling, which may lead to pain and other symptoms in the body.

Oct 24, 2025 · Hereditary angioedema (HAE) is a genetic condition that causes episodes of localized swelling throughout the body. These episodes — or attacks — typically begin in …

Hereditary angioedema (HAE) is a rare, potentially life-threatening genetic disease. HAE can cause painful swelling in any part of the body. Common areas include the stomach, face, feet, …