What’s wrong with the itchy red spots on your body?

Red dots on the body especially itchy may be caused by urticaria, eczema, psoriasis and other factors, need to analyze the specific causes.
1. Urticaria: a kind of edematous mass elevated in the skin mucous membrane, clinically manifested as red or pale-white windy masses of varying sizes, accompanied by obvious itching.
2. Eczema: a chronic skin disease, clinical manifestations of erythema, corn-sized papules and other irregular lesions, and accompanied by obvious itching.
3. Psoriasis: a chronic scaly skin disease caused by a variety of factors, clinical red papules or macules, accompanied by itching symptoms.
Red dots on the body is particularly itchy should be timely to the hospital, improve the relevant examination, clear cause of the disease under the guidance of the doctor symptomatic treatment.