I have red pimples all over my body. They itch.

When red pimples appear on the body and itching occurs, if the patient has no symptoms of cold or fever, but only itching, it is generally considered to be allergic skin reaction, and it may be papular urticaria or nodular prurigo. In such cases, anti-allergic treatment is mainly carried out under the guidance of a doctor. Second, when showing red pimples and itching on the body, if you gently press the red spot with your hand, it may be subcutaneous bleeding, considering purple epilepsy. In this case, the patient must go to the hospital for relevant examinations. In addition, chickenpox can also cause red pimples and itching on the body, mainly manifested as blisters on the basis of erythema, and may also be accompanied by sore throat or fever symptoms.