Small blisters with itching after sun exposure of the hands are generally associated with polymorphic solar rash, solar dermatitis, etc., which can be treated with topical and oral medications.
1. polymorphic solar rash: is caused by a variety of reasons for the delayed photomorphic reaction, the patient’s hands after being sunburned will appear itchy, a few days after the appearance of skin lesions, can be seen pimples, pimples and other damage. Patients can take oral hydroxychloroquine, niacinamide, external glucocorticoid preparations such as halomethasone ointment and so on.
2. Solar dermatitis: the skin receives strong ultraviolet radiation caused by an acute injury to the skin reaction, the patient’s hands after being sunburned will appear erythema, blisters, accompanied by itching, burning and so on. You can use glycerine lotion, compound menthol ointment, compound indomethacin tincture and so on according to the doctor’s instructions, oral antihistamine such as cetirizine, loratadine and other treatments.
Small blisters with itching after sun exposure of the hands should be treated with medication as prescribed by the doctor, do not use your own medication, so as not to cause more serious consequences.