Old tingling sensation in the body is common in neuralgia, nerve injury, neuritis, etc. 1. Neuralgia, tingling sensation in the body is mostly caused by viral infections, such as herpes zoster virus infection, tingling along the intercostal nerves, also accompanied by skin herpes. 2. Nerve damage, diabetic patients, high blood glucose, resulting in a decrease in peripheral nerve nutrition, there will be nerve damage, skin sensory abnormalities, and in severe cases there will be tingling sensation of the skin. 3. Neuritis, atherosclerosis, infection or trauma can lead to neuritis, manifested as localized pain, abnormal sensation, and sometimes nerve tingling. Body old tingling sensation, if the pain is not serious can be first observed, if the pain is long, more often, it is recommended to go to the hospital, if necessary, you can take oral pain medication such as diclofenac sodium, nimesulide, etc., the drug should be used in accordance with medical advice.