Dermatitis - herpetiformis on the arm and legs

This picture shows a chronic inflammatory disease (dermatitis herpetiformis) that produces red (erythematous), raised (papular), small or large blisters (vesicles or bullae) that burn and itch intensely. Dermatitis herpetiformis develops suddenly, lasts for weeks to months, and may be associated with digestive diseases (such as Celiac disease).