Swollen lips may be caused by allergic reactions, injuries, chapping or sunburn, infections, and cysts called mucoceles. The swelling comes from either inflammation or built-up fluid under the skin.

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 ...

Angioedema is the swelling under the skin caused by allergies, infections, or genetics. Angioedema can cause breathing problems and might need emergency treatment if it affects the throat. Treatment ...

Angioedema is deep swelling that occurs when fluid builds up under your skin or mucus membranes. It may affect your face, throat, gastrointestinal tract, or other parts of your body. Angioedema may ...

Angioedema is deep tissue swelling that may occur due to various health conditions. Treating angioedema swelling depends on the cause. Angioedema may be acute or chronic, and acute symptoms may last ...

Possible differential diagnoses for hereditary angioedema (HAE) include acquired angioedema with low C1 inhibitor enzyme (AAE-C1-INH), angiotensin-converting enzyme (ACE) inhibitor-induced angioedema ...