Transparent blisters on the arms in hot weather may be caused by prickly heat, polymorphic sun rash, sweat herpes and other skin diseases, and it is recommended that the patient go to the dermatology department of the hospital for general treatment or medication after a professional examination.
1. Prickly heat: When the weather is hot, a large amount of sweat is difficult to evaporate, and the pressure of excessive sweat in the sweat ducts increases, which may lead to rupture of the sweat ducts, and the sweat seeps into the surrounding skin tissues to form prickly heat.
To keep your skin dry and cool after prickly heat, wear loose, breathable clothing as much as possible. You can also use ice packs or towels to apply cold compresses to relieve the pain and itchiness. You can also use glycerine lotion or prickly heat powder to apply, and if the symptoms are serious, you can use hormone medications such as hydrocortisone ointment and triamcinolone ointment for treatment.
2. Polymorphic sun rash: often appear two hours to several days after sun exposure, local burning sensation, then erythema, papules, blisters, vesicles and other symptoms. Patients need to avoid continued exposure to the sun, but also the use of tacrolimus ointment, mometasone furoate ointment and other glucocorticoid medication as prescribed by the doctor.
3. Sweat herpes: Sweat herpes may lead to some blisters, pimples and other lesions on the skin after sweating, accompanied by more obvious itching and pain, can be used externally tacrolimus ointment, pimecrolimus ointment and other drugs for treatment. Try to keep the skin of the hands clean and dry.
Patients are advised not to scratch the affected area during the treatment period, so as not to cause bacterial infection and affect the effect of treatment. If the above symptoms do not improve or worsen for a long time, it is recommended to go to the hospital in time. The above medications should be used in accordance with the doctor’s instructions, do not self-medicate.