RT Book, Section A1 Elkersh, Mohamed A1 Lee, Steve C. A1 Bajwa, Zahid H. A2 Bajwa, Zahid H. A2 Wootton, R. Joshua A2 Warfield, Carol A. SR Print(0) ID 1131934658 T1 Shingles, Postherpetic Neuralgia, and Postherpetic Itch T2 Principles and Practice of Pain Medicine, 3e YR 2016 FD 2016 PB McGraw-Hill Education PP New York, NY SN 9780071766838 LK accessanesthesiology.mhmedical.com/content.aspx?aid=1131934658 RD 2024/09/20 AB Shingles is caused by the varicella-zoster virus (VZV), which primarily affects the dorsal root ganglia (DRG) of the spinal nerves or trigeminal nerve. A single DRG is commonly affected, but a small number of adjacent DRGs may be affected, usually on the same side.