Red pimple grows on the body very itchy how to have blister to return a responsibility

Body red pimple very itchy blisters, can be caused by a lot of skin diseases, more common is eczema, it is caused by a variety of internal and external factors of superficial dermis and epidermal inflammation, clinical acute skin lesions can be manifested as mound herpes, and there is a tendency to exudate with itching. Another is papular urticaria, which is associated with insect bites, intestinal parasites, and certain foods. Typical lesions are red wheal-like papules with central blisters, itching, and repeated scratching that can be secondary to infection. Another is chickenpox, which is an acute respiratory infection caused by varicella zoster virus. Its rash also presents as a systemic distribution of blisters with itching.