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How do you know that you have urticaria?

01 1 After getting urticaria, the skin mucous membrane is damp and red, and it is a group of people, that is, the \"wind group\" that the people say, the size varies, and they will retreat and retreat.
02 2 The main part of the usual occurrence is the calf or ankle, and the waist, forming an annular ring at the waist.
03 3 The skin feels very itchy, and it begins to slowly become white and white when it is caught. If it is not caught, it will slowly fade away, leaving no trace.