Ultraviolet rays do great harm to us, especially to the skin. There are also people who are allergic to ultraviolet rays. As long as they are exposed to ultraviolet rays, many skin rashes will appear in many places. Let's see what's the performance?
Symptoms of UV allergy
1. If you are allergic to UV light, you will have itching symptoms on the skin exposed to the sun. The longer you are exposed to the sun, the more serious the allergic reaction will be. The duration of skin itching will be more than 24 hours. According to the different allergic conditions, the time will be different.
2. Ultraviolet light in the sun is very likely to cause cataract. The damage of the sun to the eyes is not easy to be found in a relatively short period of time, and its potential threat can not be ignored.
3. When the skin is exposed to ultraviolet radiation, rashes will occur in the exposed parts, such as the face, neck and arms. According to the different conditions, it can be divided into one degree of UV allergy and two degrees of UV allergy
The details are as follows:
The primary hypersensitivity to UV is manifested in diffuse erythema of local skin after irradiation;
The main manifestations of the second degree UV allergy are: after the local skin appears redness and swelling, blisters or bullae will continue to occur, showing pale yellow blister fluid, abnormal burning and itching. After the blister ruptures, it presents a erosive surface, and crusts after drying. If allergy is very serious, there will be fever, headache, palpitation, fatigue, nausea, vomiting and other symptoms.