Summer sunshine, beware of UV allergy
Core Tip: Summer sunshine is very strong, UV infringement is easy to cause skin allergies, users of allergic constitution pay special attention.
銆€銆€Ultraviolet allergy is an abnormal allergic reaction caused by sunlight on the human body, also known as solar dermatitis or sunburn.
The main cause is UVA and UVB in the sun. These two penetrating ultraviolet rays directly reach the dermis of the skin, causing redness, burning, heat and pain in the skin of people with allergies.
銆€銆€Dr. Zhang Xiaoyun said: “The symptoms of UV allergy are mainly caused by itching, flushing, swelling, burning and even dizziness and nausea in the sunburned area.
Experts said that solar dermatitis is related to personal physique, weak constitution, fair complexion, and sensitive people are more likely to take action.
The longer the sun is exposed, the more severe the allergic reaction, and the itching of the skin will last from 24 hours to 48 hours or even longer.
According to the severity of skin reactions, it is divided into one-time UV allergy and second-degree UV allergy.
Once ultraviolet allergic manifestations of diffuse erythema after local sun exposure.
Second-degree UV allergy is characterized by local skin redness and swelling, followed by blisters and even bullae, blister wall tension, and blister fluid is pale yellow.
So how should the treatment of solar dermatitis once the skin is sunburned?
銆€銆€Doctor Wang Bodybuilding said: “First of all, you must apply cold and wet, do not use hot water; take some anti-allergic drugs orally; do not use externally used ointments, it is best to come to the hospital for medical treatment.
“Doctors recommend that for light-sensitive patients, the skin’s resistance to UV rays can be exercised before the summer season to prevent solar dermatitis early.
銆€銆€Zhang Xiaoyun said: “UV allergies are generally long-wave medium waves, which can be irradiated with long-wave medium waves for a short time, and the time is getting longer and longer, so that they can adapt slowly.
At the same time, scientific sunscreen is also a shortcut to prevent UV allergy. You can properly apply sunscreen half an hour before going out, and apply it after a while.
In addition to external protection, you can usually eat more tomatoes, lemons and nuts to help protect your skin and whiten skin. White radish, celery, and coriander are easy to make the skin appear pigmented.Eat less.
In addition, going out to play umbrellas, wearing hats or wearing long-sleeved clothes is also a good way to protect the sun. The protective effect of the big hat visor and the dark silver umbrella surface is also better.