Urticaria is a common skin disease, but it is difficult to find the cause and cure is difficult. Although not dangerous to life, but the locket was always annoyed because the itching sensation. Especially in young children, to prevent your child scratching, causing the skin scratch is not easy.
urticaria is a response to acute or chronic allergic capillary edema in skin and mucosa. Pathogens are complex, including the underlying cause, causes outside or even unknown causes