Small blisters on the arm in summer may be due to mosquito bites, chicken pox, shingles, white heat, eczema and other factors.
1. Mosquito bites: some patients are more sensitive, after being bitten by mosquitoes, mosquitoes injected into the body of trace toxins, will make the patient have an allergic reaction, resulting in insect bite dermatitis, localized pimples, blisters, as well as itching and other related symptoms.
2. Chickenpox: usually caused by varicella zoster virus infection, and easily spread, will cause the patient to have a fever, the initial rash of red spots, papules, and then quickly form a fluid-filled herpes.
3. Herpes zoster: patients may develop herpes zoster caused by varicella zoster virus infection when the body’s immunity is low, which can involve the nerves and skin, causing patients to develop papules, pimples and pain and other related symptoms.
4. Prickly heat: Also known as prickly heat, this is a superficial inflammatory skin disease that is more common in summer or in hot environments. It can be caused by narrowing or blocking of sweat ducts, leading to stagnation of sweat and extravasation of sweat into the surrounding tissues, resulting in the formation of pimples, blisters or pustules.
5. Eczema: small blisters on the arm in summer may also be caused by eczema due to heredity, immune abnormalities, contact with allergenic factors, which will appear as erythema, papules, papules, blisters and other symptoms.
There are many reasons for small blisters on the arm in summer, you need to cooperate with the doctor to improve the examination and understand the cause before treatment.