Shingles is actually a reactivation on the chickenpox virus leading to a painful rash. The virus has an effect on the nerve fibers and pores and skin creating a painful, itching, burning rash. The region of your rash is most often above 1 side in the chest, abdomen or back. https://www.theorthopaedicandpainpractice.com/treatment-options-for-lower-back-and-knee-pain/