What is angioedema?

Angioedema is a skin reaction similar to urticaria. It is characterised by an abrupt, temporary, localised swelling of the deep dermal layer, subcutaneous tissue, and mucous membranes. Although it can affect any part of the body, it most often occurs around the eyes, lips, and genitals. In severe cases, the internal lining of the upper respiratory tract and intestines may also be affected.

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