1. Herpes zoster  (Trust Mark: Doctor-Reviewed)
Herpes zoster (shingles) is a painful, blistering skin rash due to acute infection with the varicella-zoster virus, the virus that causes chickenpox. See also: Ramsay Hunt syndrome• Reviewer: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

2. Shingles : Diagnosis  (Trust Mark: Doctor-Reviewed)
Diagnosis usually is not possible until the skin lesions develop. Once they develop, however, the pattern and location of the blisters and the type of cell damage displayed are characteristic of the disease. This feature allows an accurate diagnos...• Author: Liz Swain, Teresa G. Odle