What symptom is allergic to ultraviolet ray

summary

The sun in summer is so poisonous that people do not dare to go out at noon. As we all know, the sun has a kind of ultraviolet radiation. There are some adverse reactions on the skin after direct ultraviolet radiation. So what are the allergic symptoms? Let's understand them together.

What symptom is allergic to ultraviolet ray

Symptom 1: everyone's body genes are different, so there will be some different skin irritation after being exposed to the ultraviolet rays of the sun. Some people will have acute inflammatory reaction in the parts exposed to the ultraviolet rays. This is due to the role of UVB, initially only in the skin outside the epidermis. But after that, it will soon lead to skin keratinocytes necrosis, leading to dermal vascular dilation, leading to tissue edema.

Symptom 2: some people will accelerate the synthesis of black cells after being exposed to ultraviolet light, which will lead to the appearance of more common skin tanning. Some obvious erythema will appear in the later period of time, and serious people will also have the symptoms of edema.

Symptom 3: the skin epidermis of people with UV allergy is generally thin. Once exposed to sunlight, some skin cells will be necrotic. Cause blood vessel dilation, local skin edema. In addition to severe skin itching and tingling, but also nausea, fever and headache. Once this happens, first clean the skin, and then apply appropriate amount of drugs, serious cases should go to the hospital for timely treatment.

matters needing attention

In summer, we should remember to do a good job in sunstroke prevention. The intensity of ultraviolet rays can cause serious damage to the skin. We need to pay attention to sunscreen. Generally, ultraviolet allergy has family genetic factors. We should start from daily diet to improve the skin condition.