The symptoms that cause numbness and tingling all over the body are generally the following. First, people with diabetes will have numbness all over the body. As long as any part of the body often has numbness, soreness and swelling, it is necessary to check blood sugar in time. Second, it is the numbness caused by drugs or chemical agents, such as the cold or diarrhea when taking xanthin or dysentery, will cause numbness in the hands and feet. In the environment containing hydrogen, arsenic, carbon dioxide, etc., numbness in the hands and feet will also occur over time. Third, is the numbness caused by neuritis, neuritis the most common disease that numbness of the hands and feet, muscle atrophy, limb weakness, if diarrhea or cold up to half a month long will appear neuritis. Fourth, the dispersion of the limbs appear numbness, numbness in different limbs, divided into scattered appearances, this situation is the local nerve stimulation, such as drunkenness after a stroke, coma, caused by the stimulation of the nerves in the head, etc., cervical spondylosis caused by the numbness of the upper limbs. The above situation is a little advice on the numbness of the body.