Eczema mainly causes itching of the skin. If the itching is severe and lasts for a long time, it may affect sleep, mood, and state of mind. Long-term itching also tends to make people anxious and can even affect normal work and life. It may also lead to poor sleep for a long time because of untreated itching, which may induce the creation or aggravation of cardiovascular diseases. Therefore, the effect of eczema itself on the human body is usually only to cause itching symptoms, but if the itching is prolonged, it may have some adverse effects on the person’s body. If you have eczema, you should actively take medication to relieve the itching and other uncomfortable symptoms of eczema as soon as possible, so that the itching does not lead to poor sleep, which can lead to secondary cardiovascular disease or aggravation. The reason for this is that there are many factors that contribute to the development of eczema, so it is best to have a thorough physical examination during the period of eczema to rule out any other disorders that may cause eczema in the body.