1, the skin itches more and more. It may be an allergic reaction to the skin. This kind of allergy is more common in urticaria in clinic.

2. Some patients only have itching after urticaria. After scratching, some wind masses may appear due to this mechanical stimulation. With the appearance of wind, itching may become more obvious.

3, so there is urticaria, try to avoid scratching, because scratching itself is a phenomenon that stimulates this factor to aggravate itching.