What is the cause of the tingling in the left back

The second, herpes zoster, in the early stage of herpes zoster, can appear stabbing pain on one side of the back, but also vague pain, after 1-2 weeks of incubation period can appear herpes, then to go to the dermatology department for early diagnosis and treatment; third, dermal neuritis, when there is dermal neuritis on one side of the back can appear back stabbing pain, but also can be radioactive pain, then to conduct early examination for early treatment.