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Which foods can trigger eczema?

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OverviewFood listOther allergensSeeing a doctorSummary
Eczema is a chronic skin condition that causes skin inflammation, dryness, itchiness, and discoloration. Some people with eczema have food allergies to dairy, soy, or nuts, which can trigger their symptoms.
Medically reviewed by Bukky Aremu, APRN
Updated on

Some people find that exposure to irritants and environmental factors can trigger periods of severe eczema symptoms. Eating certain foods can also trigger eczema flares.

This article discusses which foods might trigger an eczema flare and what to do if you suspect your diet is affecting your skin.

About eczema and food allergies

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The rates of food allergies are high in people with eczema, but the exact correlation between the two conditions remains unclear. Food allergies and intolerance can cause itchy, flushed skin, in addition to stomach issues. But skin symptoms from food allergies and sensitivities are typically distinguishable from eczema symptoms.

A 2022 study notes that people sometimes incorrectly assume that certain foods cause their eczema symptoms, leading them to focus their treatment efforts on their diet rather than conventional options like moisturizers and prescription products.

The exact link between eczema and food allergies remains unclear. People with eczema may notice a correlation between symptoms and intake of certain foods, but this can vary on a person-by-person basis. People should speak with their doctor if they suspect certain foods are impacting their eczema symptoms.

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Foods that may cause eczema

While everyone’s triggers can be different, common food allergies include:

  • dairy
  • eggs
  • nuts
  • soy
  • gluten
  • nightshade vegetables

People can use elimination diets to determine which foods may worsen their eczema symptoms.

Still, it is crucial to maintain a balanced, healthful diet to ensure adequate nutritional intake. Singular foods do not cause eczema and removing them from your diet is not a replacement for treatment.

Other allergens that may cause an eczema flare

In addition to food allergies, other allergies may cause eczema to flare up.

These include:

Like with food triggers, the exact relation between these allergens and eczema flare-ups is not always well defined.

Discussing diet changes with a doctor

If you suspect that your diet is worsening your eczema symptoms, it’s a good idea to talk with your doctor.

They may recommend allergy testing, keeping a food diary, or talking with a registered dietitian to find out whether any allergens could be contributing to your eczema.

Your doctor can also recommend treatment beyond your diet. For example, the National Eczema Association lists these options:

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Summary

Even though the exact connection between food allergies and eczema has yet to be determined, the two conditions often co-appear.

It is possible that some people with eczema may experience worsened symptoms from certain foods, including gluten, eggs, and cow’s milk. Allergens like dust mites and pets may also worsen eczema in sensitive individuals.

If you suspect that your diet, or any other factors, are affecting your skin, consider talking with your doctor about the best approach to manage your eczema.

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