Urticaria

Urticaria (Urticaria) is commonly known as wind mass, rubella, rubella, rubella mass, and is a common skin disease. Urticaria is caused by a variety of factors causing temporary inflammatory congestion of the skin and mucosal blood vessels and a large amount of fluid exudation, resulting in local edema damage. The typical manifestation is the occurrence of wind masses of different sizes in the body or the whole body. After scratching, the rash increased, and it was frequent at night, and it subsided after several hours. May be accompanied by fever, abdominal pain, diarrhea, or other systemic symptoms.