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  • Guang Chen

Eosinophilic (o)esophagitis

Eosinophilic esophagitis (EoE) is a chronic immune system disease that has been identified only in the past two decades. It is characterized by a large number of eosinophils, a type of white blood cell, in the esophagus.


EoE is thought to be caused by a combination of genetic and environmental factors. Six food types (wheat, dairy, soy, eggs, seafood and nuts) are associated with EoE.


The symptoms of EoE can vary from person to person and can include:

  • Difficulty swallowing, known as dysphagia

  • Food getting stuck in the esophagus, known as impaction

  • Chest pain that is not heart-related

  • Persistent heartburn


There is currently no cure for EoE, but the condition can be managed with medication and diet. Treatment options include:

  • Dietary changes: This could involve an elimination diet to identify food triggers.

  • Medication: This could include drugs to reduce inflammation in the esophagus.

  • Dilation: In this procedure, a small balloon or dilator is used to stretch the esophagus.


Eosinophilic esophagitis is a relatively new disease, and researchers are still learning about it. If you’re experiencing symptoms, it’s important to speak with your healthcare provider to discuss your treatment options.

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