The itchy arm bags are considered to be due to mosquito bites, eczema, hives and other factors.
1. Mosquito bites: some patients may be due to mosquito bites, thus causing the phenomenon of insect bite dermatitis, and then there will be arm bags, accompanied by symptoms of significant itching.
2. Eczema: patients may be due to long-term stress or in a humid environment, may also be due to contact with allergens and other factors, resulting in eczema symptoms, manifested as red papules, papules, accompanied by severe itching symptoms.
3. Urticaria: For example, when the patient is exposed to certain allergens, such as pollen, fur, etc., which induces an over-immune response in the skin, causing the symptoms of urticaria, manifested as arm pimples, accompanied by itchy symptoms.
There may be other reasons for the itchy arms, so you need to cooperate with your doctor to check and understand the cause before treatment.