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Can food cause high eosinophils?

Published in Food Allergies 2 mins read

Yes, food can cause high eosinophils, especially in the context of eosinophilic esophagitis (EoE).

How Food Triggers High Eosinophils

Eosinophils are white blood cells that play a role in the immune system. When the body overreacts to certain triggers, eosinophils can accumulate in various tissues, including the esophagus. Food allergies are a common trigger for this overreaction.

Eosinophilic Esophagitis (EoE) and Food

According to the provided reference, EoE is a chronic immune system disease characterized by an overaccumulation of eosinophils in the esophagus. This is the result of an overreaction by the immune system.

Here's how food can play a role:

  • Food Allergy Trigger: The reference explicitly mentions that a food allergy can trigger EoE. This means that when someone with EoE consumes a food they are allergic to, their immune system reacts by sending eosinophils to the esophagus.
  • Immune System Overreaction: The immune system overreacts when exposed to certain food allergens, leading to the recruitment of eosinophils to the esophageal tissue.

Other Triggers

It's important to note that food allergies are not the only cause of high eosinophils in the esophagus. Other triggers mentioned in the reference include:

  • Acid Reflux: When stomach acid flows back into the esophagus, it can sometimes trigger the immune response that leads to EoE.
  • Airborne Allergies: Seasonal airborne allergies can also contribute to the development of EoE.

Practical Insights

  • Identifying Triggers: If you suspect food is causing your high eosinophils, keeping a food diary and working with an allergist can help identify the specific culprits.
  • Dietary Changes: Once triggers are identified, an elimination diet can be used to manage symptoms and reduce eosinophil levels.
Trigger Effect on Eosinophils
Food Allergy Immune system overreacts, causing eosinophil accumulation.
Acid Reflux Can trigger the immune response leading to EoE.
Airborne Allergies Can contribute to the development of EoE.

In summary, food allergies are a documented cause of high eosinophils, particularly in the context of EoE. Managing these allergies through dietary changes is a critical part of treatment.

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