请求高人指点, ....吗?Chronic hives,,

or urticaria. 中医有什么办法来control hives吗?. My 4 years old had hives for about a month. I don\'t think it is food, because her diet didn\'t change.
and she been eating those foods since baby. I did some reserach on web, I suspect she have chronic hives. 请问 Chronic hives中文叫什么??