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 lesions in the mouth.
Review Date 3/22/2020
Updated by: Elika Hoss, MD, Senior Associate Consultant, Mayo Clinic, Scottsdale, AZ. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.