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. “Edema” means swelling. So ...

Idiopathic angioedema is a skin reaction that causes swelling in tissues under the skin. The cause is unknown, but stress, infections, and exposure to heat or allergens may trigger it. Various ...

Angioedema and anaphylaxis are two different conditions, but they share many of the same triggers and symptoms. Angioedema is swelling in the tissues underneath the skin. It’s marked by sudden changes ...

Hereditary angioedema (HAE) is a genetic condition that causes bouts of swelling in the tissue under your skin. The uncomfortable swelling can happen in many different parts of your body, including ...