Skin damage after sun exposure

Introduction In the summer, there is plenty of sunshine. When people go out for activities, they will cause skin damage due to strong ultraviolet rays for a long time. As a result, the skin cells of the human body lose a large amount of moisture, which is dry, loses moisture, and wrinkles occur. Some people may also cause sunburn dermatitis. If not properly treated, it will easily form dark spots and affect skin health.

Cause

The two kinds of penetrating ultraviolet rays, UVA and UVB, in the sunlight will directly reach the dermis layer of the skin, causing redness, burning, heat and pain in the skin of the allergic people. This is the solar dermatitis that is commonly said in medicine. Allergies; at the same time, ultraviolet radiation can also lead to "healthy killers" - free radicals in the body increase dramatically, causing wrinkles, pigmentation, cell damage, and even the immune system, causing more serious phototoxicity and photoallergic reactions.

an examination

Related inspection

Indirect immunofluorescence test skin smear microscopy

Itching occurs in areas exposed to sunlight, the longer it is exposed to sunlight, the more severe allergic reactions, and the itching of the skin lasts for 24 hours to 48 hours, or even longer. Local skin produces wrinkles, pigmentation, cell damage, redness, burning, heat, and pain.

Differential diagnosis

Some people are exposed to the sun without any obscurity. The skin will appear red, burning, and sometimes even blister. After a few days, the skin will begin to peel off and the skin will turn black. Later, it will gradually return to normal. This kind of skin damage is called sunburn.

Discoid lesions of lupus erythematosus are exacerbated after exposure to sunlight or fatigue. Damage to the scalp can cause permanent hair loss. Older lesions can occasionally develop into squamous cell carcinoma of the skin.

Vitiligo is a pale white or white patch that occurs on the day after tomorrow and whose skin damage is a clear-cut hypopigmentation or pigment disappearance. Because of the lack of melanin protection in the affected area, it is prone to erythema, pain, itching, etc. after exposure to sun exposure.

Itching occurs in areas exposed to sunlight, the longer it is exposed to sunlight, the more severe allergic reactions, and the itching of the skin lasts for 24 hours to 48 hours, or even longer. Local skin produces wrinkles, pigmentation, cell damage, redness, burning, heat, and pain.

The material in this site is intended to be of general informational use and is not intended to constitute medical advice, probable diagnosis, or recommended treatments.