Pemphigus vulgaris is an autoimmine disorder, where the body's immune system attacks some of the proteins in the skin. Pemphigus usually occurs in middle-aged or older people. This picture shows a close-up of the blistering on the back. Most of the blisters have broken (denuded), which is common since these blisters are fragile.
Kevin Berman, MD, PhD, Atlanta Center for Dermatologic Disease, Atlanta, GA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.