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]
What’s the connection between diet and dermatitis?
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•Last Updated: May 16, 2025
Diet can influence dermatitis because allergies to certain foods like peanuts, cow’s milk, and wheat may trigger or exacerbate the condition. Additionally, people with celiac disease may experience dermatitis herpetiformis, which is characterized by blistering rashes from gluten consumption.