Can large urticaria heal itself?

Giant urticaria can heal itself, but it is easy to recur. Giant urticaria may be related to genetic, allergic, chronic infection or local physical stimulation. It mainly occurs in the skin or subcutaneous tissue with loose tissue, showing localized edema. If it is caused by allergy, infection, etc., it can gradually disappear after 1~3 days. If it is inherited, it usually lasts for 2 to 5 days before it gradually subsides. However, it will occur repeatedly and frequently. After showing large urticaria, oral antihistamines can be used to relieve symptoms.