After the sun after the skin allergic itching consider is solar dermatitis, polymorphic sun rash, solar urticaria, etc., mainly general treatment, drug treatment.
1. Solar dermatitis: acute phototoxic reaction that occurs in the exposed skin after strong sunlight exposure. The symptoms are mild and can be improved by cold compresses. Itching is obvious, you can apply glycerine lotion; if heavy sunburn, blisters with oozing, you can use saline, boric acid solution wet compresses, no oozing after applying zinc oxide hydrocortisone cream, mometasone furoate cream.
2. Polymorphic sun rash: Polymorphic sun rash is related to sun exposure, can apply dexamethasone, trimethoprim, if it is the face, can apply tacrolimus ointment, pimecrolimus cream, but also oral hydroxychloroquine, niacinamide and so on.
3. Solar urticaria: This is a kind of skin hypersensitivity reaction induced by sunlight, should be good sunscreen, itching patients can take hydroxychloroquine, loratadine.
After the sun after the skin allergic itch may also be other reasons should go to the hospital in time, after the cause is clear standardized treatment, the above drugs should be used in accordance with medical advice.