Swelling of the Lips, Eyes, Tongue, Throat, or Limbs ...

Hereditary angioedema (HAE) is a rare condition that causes fluid to build up throughout your body, triggering sudden and repeated serious swelling. This is the most common type and happens ...

In more severe cases, the condition can also cause angioedema, a swelling of the tissues beneath the skin. This is a deeper swelling than hives and can be more painful. Both urticaria and ...