A tingling sensation but nothing on the skin may be an early symptom of a viral infection, or it may be due to abnormal neuromodulation. 1. Early symptoms of viral infections: for example, viral infections caused by chickenpox, herpes zoster, or herpes simplex and other diseases, the early stage of the disease may be manifested as a tingling sensation on the skin, but there is nothing, with the progression of the disease, there will be rashes, blisters, ulcers, and other abnormalities in the appearance of the skin. 2. Abnormal neuromodulation: for example, peripheral neuritis, or diabetes-induced neuropathy, which may also lead to the symptom of a tingling sensation on the skin, but nothing. Tingling sensation on the skin, but nothing, there may be other reasons, it is recommended to go to the regular hospital in a timely manner, clear causes under the guidance of the doctor standardized treatment.