Swelling of the lower layers of the skin, often around the mouth, or of the mucosa or submucosa of the mouth or throat which can appear quickly in response to an allergen or due to other conditions
Angioedema of the throat can cause suffocation and should be treated as a medical emergency.
sudden onset of periodic, recurrent episodes of noninflammatory swelling of skin, mucous membranes, and other tissues, associated with food allergies, urticaria or possibly stress or emotional factors
(angio-ed-ema) - swelling of the lips that occurs because of an allergic reaction
Swelling similar to urticaria (hives), but the swelling occurs beneath the skin instead of on the surface Angioedema is characterized by deep swelling around the eyes and lips and sometimes of the hands and feet