Eosinophilic Gastritis: Symptoms, Causes, Diagnosis and Treatment

Written by Medicover Team and Medically Reviewed by Dr Raosaheb Rathod , Gastroenterologists Medical

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1. Causes 2. Find a Doctor 3. Diagnosis 4. Treatment 5. FAQs

Eosinophilic Gastritis (EoG) is a rare eosinophilic gastrointestinal disorder (EGID) characterized by the abnormal accumulation of eosinophils, a type of white blood cell, in the lining or deeper layers of the stomach. The condition is often associated with allergic diseases, food sensitivities, or immune system dysfunction, although the exact cause is not always known. Symptoms may include abdominal pain, nausea, vomiting, early satiety, bloating, diarrhea, weight loss, and anemia.

Early diagnosis and appropriate treatment, including dietary modifications, medications to reduce inflammation, and management of underlying allergic conditions, are essential to relieve symptoms, prevent complications, and improve quality of life.

What are the Types of Eosinophilic Gastritis?

Eosinophilic gastritis can be classified into several types based on the affected layers of the stomach and the underlying cause. Understanding these types helps guide treatment and predict symptom severity.

There are three main types based on stomach layer involvement

Mucosal Type: Inflammation is limited to the inner lining of the stomach. This is the most common type and often causes symptoms like nausea, vomiting, and abdominal pain.
Muscular Type: Affects the muscle layer of the stomach wall, which can lead to thickening of the stomach wall and digestive obstruction.
Serosal Type: Involves the outermost layer of the stomach, often associated with fluid buildup in the abdomen (ascites).

Each type may present differently and require an approach to diagnosis and treatment.

What are the Symptoms and Warning Signs of Eosinophilic Gastritis?

Eosinophilic gastritis is a rare inflammatory condition that can cause a wide range of digestive symptoms. While some people may have mild discomfort, others may experience more serious issues that impact their nutritional status and daily well-being.

Common Symptoms

Abdominal pain or cramping, especially after eating
Nausea or a queasy stomach
Vomiting, often triggered by specific foods
Bloating or a feeling of fullness after small meals
Acid reflux or heartburn
Difficulty swallowing (dysphagia)
Loss of appetite and reduced interest in food

Severe or Rare Symptoms

Unexplained weight loss over time
Chronic diarrhea impacting daily life
Anaemia due to stomach inflammation and blood loss
Fatigue or weakness from poor nutrient absorption
Persistent gastrointestinal symptoms are unresponsive to usual treatments.

What are the Common Causes and Risk Factors of Eosinophilic Gastritis?

Eosinophilic gastritis is a complex condition influenced by both immune system reactions and environmental factors. While the exact cause isn't always clear, a combination of triggers and predispositions can contribute to the development of this rare gastrointestinal disease. Understanding these can help with early identification and better long-term management.

Causes

Food Allergies: Common allergens like dairy, eggs, nuts, seafood, and wheat can trigger immune responses leading to inflammation.
Environmental Allergens: Exposure to dust mites, pollen, pet dander, or mold may provoke eosinophilic activity in sensitive individuals.
Parasitic Infections: Intestinal parasites such as helminths have been linked to eosinophil-related inflammation in some cases. Autoimmune.

Risk Factors

Chronic Exposure to Allergens: Continuous contact with environmental triggers may increase inflammation over time.
Existing Gastrointestinal Disorders: Conditions such as GERD or other chronic gut issues may contribute to symptom development.
Immune System Dysregulation: An overactive or misdirected immune response can lead to persistent inflammation.

When to See a Doctor for Eosinophilic Gastritis?

Individuals with persistent abdominal pain, nausea, vomiting, unexplained weight loss, or symptoms that do not improve with routine treatment should consult a Gastroenterologist or Allergist for evaluation.

You should see a doctor if you experience:

Persistent upper abdominal pain
Repeated nausea or vomiting
Unexplained weight loss or poor appetite

Seek emergency medical attention immediately if you:

Develop severe abdominal pain with persistent vomiting
Notice vomiting of blood or black, tarry stools
Experience severe dehydration, dizziness, or inability to keep fluids down

These symptoms may indicate serious gastrointestinal complications requiring urgent medical treatment.

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How Is Eosinophilic Gastritis Diagnosed?

Eosinophilic gastritis is diagnosed by checking your symptoms, medical history, and doing special tests to find inflammation caused by too many eosinophils in the stomach

Common Diagnostic Procedures

Upper GI Endoscopy with Biopsy: The gold standard for diagnosis. It allows direct visualisation of the stomach lining and collection of tissue samples to check for eosinophil infiltration under a microscope.
Blood Tests: Used to detect elevated eosinophil counts or rule out other inflammatory or allergic conditions.
Imaging Studies: CT scans or MRIs may be used to assess inflammation severity and rule out structural abnormalities.
Stool Analysis: Helps detect infections or parasites that may mimic eosinophilic gastritis symptoms.

What are the Treatment Options for Eosinophilic Gastritis?

Treatment for eosinophilic gastritis focuses on reducing inflammation, managing digestive symptoms, and identifying underlying triggers. Early intervention helps improve quality of life and prevent complications.

Main Treatment Options

Dietary Modifications (Elimination Diet):

Avoiding common trigger foods such as dairy, wheat, soy, eggs, and seafood
Allergy testing or food elimination trials may be recommended
Elemental diets may be used in severe cases
Improvement often begins within 2 to 4 weeks of dietary changes

Proton Pump Inhibitors (PPIs):

Reduce stomach acid and relieve symptoms like reflux and heartburn
Often used alongside dietary changes
Medications like budesonide or fluticasone are swallowed to treat inflammation directly
Fewer systemic side effects

Systemic Corticosteroids:

Used in severe cases to reduce inflammation quickly
Typically prescribed short-term due to side effects

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What is the Recovery Process for Eosinophilic Gastritis?

Eosinophilic Gastritis is a chronic condition that often requires long-term management. Many individuals achieve good symptom control with dietary modifications and medications. Regular follow-up helps monitor disease activity, nutritional status, and treatment response while reducing the risk of complications.

Taking prescribed medications consistently, following recommended dietary restrictions, maintaining balanced nutrition, attending regular gastroenterology follow-up appointments, monitoring for recurrent symptoms, and managing associated allergic conditions help support long-term recovery and stomach health.

Recovery Includes

Taking medications exactly as prescribed.
Following an individualized elimination diet when recommended.
Maintaining adequate nutrition and hydration.
Working with a dietitian when necessary.
Attending regular gastroenterology follow-up visits.
Monitoring for recurrence of gastrointestinal symptoms.

Frequently Asked Questions

1. How is Eosinophilic Gastritis diagnosed?

Diagnosis typically involves a medical history, physical examination, blood tests, upper gastrointestinal endoscopy with stomach biopsies, and microscopic examination to identify increased eosinophils in the stomach lining.

2. Who is at risk of developing Eosinophilic Gastritis?

People with a personal or family history of allergies, asthma, eczema, food allergies, or other eosinophilic gastrointestinal disorders are at increased risk.

3. How is Eosinophilic Gastritis treated?

Treatment may include dietary modifications, elimination diets, corticosteroids, proton pump inhibitors (PPIs), biologic therapies in selected cases, and medications to reduce inflammation and control symptoms.

4. Can Eosinophilic Gastritis be caused by food allergies?

Yes, food allergies or food sensitivities are believed to trigger inflammation in many people with Eosinophilic Gastritis, although not all cases are allergy-related.

5. What complications can occur with Eosinophilic Gastritis?

Complications may include chronic abdominal pain, malnutrition, anemia, protein loss, gastrointestinal bleeding, stomach wall thickening, and impaired growth in children.

6. Can Eosinophilic Gastritis be prevented?

There is no known way to completely prevent Eosinophilic Gastritis. However, avoiding identified food triggers and managing allergic conditions may help reduce flare-ups.

7. What is the prognosis for Eosinophilic Gastritis?

The prognosis is generally good with early diagnosis and appropriate treatment. Many people achieve symptom control through dietary management and medications, although some may experience recurrent episodes.

8. Can Eosinophilic Gastritis recur after treatment?

Yes, Eosinophilic Gastritis can recur, especially if trigger foods are reintroduced or treatment is discontinued. Regular follow-up is important for long-term management.