Red and itchy skin after sun exposure may be caused by ultraviolet or infrared rays that cause burns to the skin, resulting in subacute phototoxic reactions to the skin, or it may be triggered by photoallergy.
1. If the skin is exposed to sunlight for a long time, the ultraviolet or infrared rays cause damage to the skin, which can easily trigger a subacute phototoxic reaction, which may cause localized skin redness, dryness, peeling, and irritation of the peripheral nerves of the skin, thus causing itching.
2. Red and itchy skin after sun exposure may also be caused by photosensitivity. If an individual has taken photosensitive drugs or photosensitive food, after sun exposure, it is easy to appear photosensitive reaction, resulting in red and itchy skin.
If the itchy red skin after sunbathing is serious, you should go to the hospital in time to check the specific cause of the disease, as soon as possible to carry out targeted treatment to prevent the itching situation from aggravating, triggering other skin problems, do not self-medication.