The hives (urticaria) on this person's back have the typical slightly-raised red appearance and are accompanied by itching. Hives can be generalized over the entire body, or may be localized.
Review Date 5/2/2017
Updated by: David L. Swanson, MD, Vice Chair of Medical Dermatology, Associate Professor of Dermatology, Mayo Medical School, Scottsdale, AZ. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.