What is urticaria
summary
Urticaria is a common allergic skin disease in our life. Urticaria affects people's work and rest, and seriously endangers people's lives. Let's see what urticaria is. So that patients and friends can have a better understanding.
What is urticaria
First: from the definition of urticaria, urticaria is commonly known as wheeze, rubella, wind pimple, rubella block, is a common skin disease.
Second: urticaria is caused by various factors of skin and mucous membrane blood vessels temporary inflammatory hyperemia and a large number of liquid exudation, resulting in local edema damage, local or systemic skin suddenly a piece of red mass, rapid onset, regression can also be rapid, itchy.
Third: may be accompanied by fever, abdominal pain, diarrhea or other systemic symptoms. This is the definition of urticaria.
matters needing attention
There are many factors causing urticaria, and the etiology is complex. About 3 / 4 patients can not find the cause, especially chronic urticaria.