Sunburn symptoms?
summary
Solar dermatitis, also known as sunburn, is a phototoxic reaction caused by excessive exposure to ultraviolet B in the sun. Let's introduce the symptoms of sunburn.
Sunburn symptoms?
When the skin is exposed to intense sunlight for several hours to more than ten hours, skin rashes occur on the exposed parts, such as the face, neck, back of hands, etc. according to the severity of skin reaction, they can be divided into first degree sunburn and second degree sunburn.
For the first time, diffuse erythema appeared on the local skin after exposure to the sun, with clear boundary and peak at 24-36 hours. The disease reached its peak on the second day after sun exposure, accompanied by fever, headache, palpitation, fatigue, nausea, vomiting and other systemic symptoms, which could be recovered after a week.
Second degree sunburn is characterized by local skin redness and swelling, followed by blisters or even bullae. The blister wall is tense, and the blister fluid is light yellow. The self-conscious symptoms are burning or itching. After the blister is ruptured, it is erosive, and soon it is dry and scabby, leaving pigmentation or hypopigmentation.
matters needing attention
Often participate in outdoor exercise, so that the skin melanin, to enhance skin sensitivity to sunlight, patients with strong, should try to avoid sun exposure. When going out, do a good job of protection, such as umbrella, straw hat, gloves, etc. Can also be used some light repellent: such as reflective shading agent, 15% zinc oxide ointment; 5% titanium dioxide emulsion; 5% p-aminobenzoic acid emulsion or tincture; 10% Salo ointment, etc. It can be applied on the exposed skin 15 minutes before exposure.