• Rajani Katta MD

Food Triggers in Acne, Eczema, Psoriasis, and Rosacea


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Summary of Skin Conditions and Food Triggers

*Children are at higher risk for nutritional deficiencies. Always speak to your pediatrician before eliminating foods

Acne

Potential Food Triggers

  • Sugar and refined carbohydrates

  • Role of dairy and whey protein varies


Recommended Tests

  • 12-week diet change

Aging Skin


Potential Food Triggers

  • Sugar, refined carbohydrates

  • Fried foods

  • Meats grilled at high temperatures

  • Trans fats

Eczema and Atopic Dermatitis

Potential Food Triggers


Type 1 Hypersensitivity Reactions:

  • Eggs

  • Milk

  • Wheat

  • Soy

  • Seafood

  • Nuts


Delayed Eczematous Reactions:

  • Eggs

  • Milk

  • Wheat

  • Soy

  • Seafood

  • Nuts


Systemic Contact Dermatitis:

  • Foods related to Balsam of Peru

  • Foods high in nickel

  • Processed foods containing propylene glycol

Recommended Tests

Type 1 Hypersensitivity Reactions:

  • Skin prick tests

  • Blood tests

  • Confirm with physician supervised food challenge

Delayed Eczematous Reactions:

  • Food diary

  • Confirm with physician supervised food challenge

Systemic Contact Dermatitis:

  • Food diary

  • Confirm with patch testing

Rosacea

Potential Food Triggers

  • Alcohol

  • Heat related: coffee, tea

  • Capsaicin-related peppers, spicy foods

  • Cinnamaldehyde-related: Tomatoes, citrus, chocolate, cinnamon


Recommended Tests

  • Food diary

  • 6-week avoidance diet

Psoriasis

Potential Food Triggers

  • Pro-inflammatory foods (sugar, refined carbs, unhealthy fats) may increase risk of associated systemic diseases

  • Gluten may act as a food trigger in a small percentage of psoriasis patients

Recommended Tests

  • Blood tests for gluten antibodies

  • Evaluation by GI doctor, especially for those with GI symptoms

*As in other areas, everyone is different, and the research in these areas is evolving. Your dermatologic and medical history will always impact dietary recommendations

Dr. Rajani Katta is the author of Glow: The Dermatologist's Guide to a Whole Foods Younger Skin Diet. To receive future updates on preventive dermatology and the role of diet, sign up here.


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© Rajani Katta MD 
2020