What’s the connection between diet and dermatitis?

Allergies to certain foods can cause or worsen dermatitis. The most common food allergies include peanuts, cow’s milk, soy, shellfish, wheat, and nuts.^[1] Furthermore, in some people the autoimmune condition celiac disease can manifest as dermatitis herpetiformis (DH); people with DH develop blistering rashes after consuming gluten-containing foods.^[2]