What are the symptoms and causes of hives in children?

Children urticaria performance for the trunk, limbs and head and face, etc. repeated attacks of wheals, red or pale, can be large or small, some can be fused into pieces, within a few hours can be self-subsiding, one after another, often accompanied by severe itching, urticaria is the main reason for food or inhalants, drugs and other allergies caused by infection factors, such as acute tonsillitis or upper respiratory tract infection can induce urticaria. Pay attention to regular rest, ensure sleep, work and rest, prevent fatigue.