How does child urticaria break out repeatedly to do

Urticaria, commonly known as rubella, is a localized edema of the skin and mucosa due to temporary vascular permeability increase, that is, wheals. Most patients can not find the exact cause, common causes are food, infection, drugs, respiratory tract inhalants and skin contact, physical factors, mental endocrine factors, genetic factors, etc., there are some systemic diseases, but also can be accompanied by urticaria. Children urticaria recurrent attacks, treatment is first to actively find the cause, children more common reasons for infection, as well as food, contact, etc., to actively deal with some chronic infection lesions, such as tonsillitis, caries, etc. In addition, for food contact, can be allergenic screening test, in addition to anti-allergic symptomatic treatment.