What is the cause of urticaria
summary
As soon as you go out, it starts in less than 15 minutes, mainly focusing on the exposed positions such as arms and chest. First, the small pimples (white) turn red after a while (they start to itch, a scratch turns red, and becomes a big flat pimple). After about 2 hours, all the pimples disappear. What is the cause of urticaria, the following together to explore.
What is the cause of urticaria
Factor one: physical and chemical factors. Such as cold, hot, sun, extrusion, friction, scratching and humidity often cause urticaria.
Factor 2: inhalation or contact. Such as pollen, mold spores in the air, animal dander and feathers, insect bites, wear chemical fiber fabrics, etc.
Factor 3: genetic factor. There are a small number of urticaria patients because of genetic factors, mostly from infants. Sunlight urticaria, choline urticaria (small urticaria) are less than adults. However, water urticaria is more common than adults, because children like to play with water.
matters needing attention
The emergence of urticaria can be said to have caused serious harm to patients' friends. Therefore, we must pay attention to it and actively go to the regular hospital for treatment in the face of urticaria.
