How is artificial urticaria caused?
summary
Urticaria is very common in skin diseases, and many of urticaria belong to artificial urticaria, which is mainly caused by their own allergic constitution and contact with allergens in life and work. Cause the reason of artificial urticaria to have a lot of, how is artificial urticaria caused? Let's talk about it
How is artificial urticaria caused?
It is mainly due to the allergic reaction of skin after external physical stimulation, which makes mast cells release histamine like bioactive substances, causes skin capillary dilation, enhances permeability, and makes plasma and tissue fluid penetrate into the dermis.
People suffering from this kind of skin scratch often feel itchy for no reason, but unlike the common urticaria, there are rubella lumps all over the body. When the skin is scratched with nails or other blunt objects, there are red spots and puffs in the local area, and then the puff edema rises above the skin,
A variety of acute and chronic infection factors can also cause the disease, including bacterial infection, viral infection and parasitic infection. Many drugs and medical diseases can also cause urticaria. Mental factors and endocrine changes can also suffer from this disease.
matters needing attention
Take a bath with salt water. Salt is something that every family has. It's easy to use, but it has a quick effect. You can put an appropriate amount of salt into the water when you take a bath, because salt has bactericidal effect and can kill bacteria on the skin. If it is extremely itchy, you can also apply salt to the itchy place on the body.