Urticaria and angioedema

Urticaria and angioedema (urticaria and angioedema), also known as rubella and angioedema, can occur separately or simultaneously; manifested as non-fingerprinted edema of the skin, sometimes involving the upper respiratory or gastrointestinal . Urticaria only damages the surface layer of the skin, manifested as a rash of red masses at the edges and pale in the center, sometimes fused into giant wind masses. Vascular edema affects the deep layers of the skin (including subcutaneous tissue), and localized edema is easily identified. These manifestations can appear and disappear quickly. Repeated episodes of less than 6 weeks are acute and the response is chronic.

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