Gastritis (Amashaya Shotha)

Gastritis Disease: Signs, Symptoms, Causes, Diagnosis, Treatment & Prevention


Gastritis is a common gastrointestinal disorder characterized by inflammation of the stomach lining. It can range from mild discomfort to severe complications. This article explores the various aspects of gastritis, including its epidemiology, types, pathophysiology, risk factors, symptoms, diagnosis, treatment, and preventive measures.


Gastritis refers to the inflammation of the inner lining of the stomach, which can lead to discomfort, pain, and other complications. The stomach lining is essential for protecting the stomach from the highly acidic digestive juices it produces. When this lining becomes inflamed, it can result in a range of symptoms and complications.

Epidemiology of Gastritis:

Gastritis is a widespread gastrointestinal condition, affecting people of all ages. While exact prevalence rates vary, it is estimated that millions of individuals worldwide experience gastritis at some point in their lives. Chronic gastritis is more common in older adults, and the overall prevalence tends to be higher in certain populations, such as smokers and those who consume excessive alcohol.

Types of Gastritis:

There are several types of gastritis, including:

  1. Acute Gastritis:

    • Definition: Sudden and severe inflammation of the stomach lining, often caused by infections, medications, or stress.
    • Characteristics: Abrupt onset, temporary nature, and can cause symptoms like stomach pain, nausea, and vomiting.
    • Common Causes: Infections (e.g., H. pylori), NSAID use, excessive alcohol consumption, traumatic injury, severe stress.
  2. Chronic Gastritis:

    • Definition: Ongoing inflammation of the stomach lining that persists over a longer period.
    • Characteristics: Gradual onset, persistent nature, and may be asymptomatic or show mild to moderate symptoms.
    • Common Causes: Long-term H. pylori infection, autoimmune conditions, pernicious anemia, chronic bile reflux.
  3. Erosive Gastritis:

    • Definition: Gastritis accompanied by erosion of the stomach lining, leading to ulcer formation.
    • Characteristics: Can result in open sores (ulcers) on the stomach lining, causing more intense pain and potential bleeding.
    • Common Causes: Long-term NSAID use, alcohol abuse, severe stress, certain infections, underlying medical conditions.
  4. Non-Erosive Gastritis:

    • Definition: Inflammation of the stomach lining without significant erosion or ulceration.
    • Characteristics: Typically less severe symptoms compared to erosive gastritis, but discomfort and inflammation still present.
    • Common Causes: H. pylori infection, autoimmune reactions, certain medications, lifestyle factors.
  5. Reactive Gastritis:

    • Definition: Inflammation of the stomach lining in response to various factors, including physical or chemical irritants.
    • Characteristics: Reactive to external stimuli, often resolves once the irritant is removed or addressed.
    • Common Causes: Excessive consumption of spicy or acidic foods, alcohol, smoking, certain medications.
  6. Hemorrhagic Gastritis:

    • Definition: Gastritis characterized by bleeding in the stomach lining.
    • Characteristics: Can lead to symptoms of bleeding, such as vomiting blood (hematemesis) or passing dark stools (melena).
    • Common Causes: Severe irritation or injury to the stomach lining, underlying medical conditions, alcohol abuse.
  7. Atrophic Gastritis:

    • Definition: Gastritis accompanied by the gradual loss of gastric glandular tissue, leading to decreased stomach acid production.
    • Characteristics: Can result in reduced absorption of nutrients and an increased risk of vitamin B12 deficiency.
    • Common Causes: Autoimmune reactions, chronic H. pylori infection, certain genetic factors.
  8. Chemical Gastritis:

    • Definition: Gastritis caused by the ingestion of corrosive substances, such as strong acids or alkalis.
    • Characteristics: Immediate damage to the stomach lining upon contact with the corrosive substance.
    • Common Causes: Accidental ingestion of cleaning agents, industrial chemicals, or other corrosive materials.

Pathophysiology of Gastritis:

Gastritis occurs when the protective lining of the stomach is compromised, allowing stomach acid to irritate and inflame the underlying tissues. This can happen due to infections, certain medications, autoimmune reactions, or other factors that disrupt the delicate balance of the stomach environment.

Risk Factors and Triggers:

Several factors increase the risk of developing gastritis, including:

  1. Helicobacter pylori Infection:

    • H. pylori is a common bacterium that can infect the stomach lining and lead to gastritis.
    • This infection is a major risk factor for both acute and chronic gastritis.
    • H. pylori disrupts the stomach’s protective barrier, allowing stomach acid to damage the lining and trigger inflammation.
  2. Regular and Excessive Use of NSAIDs:

    • Nonsteroidal anti-inflammatory drugs (NSAIDs) like aspirin, ibuprofen, and naproxen can irritate the stomach lining.
    • Prolonged or high-dose NSAID use can disrupt the protective mucus layer, making the stomach more susceptible to inflammation.
    • Chronic NSAID use is a common cause of erosive gastritis and ulcers.
  3. Alcohol Consumption:

    • Excessive alcohol intake can lead to inflammation of the stomach lining, particularly in the presence of chronic alcohol abuse.
    • Alcohol irritates the stomach and weakens the protective barrier, making it more vulnerable to damage from stomach acid.
  4. Smoking:

    • Smoking cigarettes weakens the stomach’s protective mucus layer and reduces blood flow to the stomach lining.
    • This can increase the risk of both acute and chronic gastritis, as well as complications like ulcers and bleeding.
  5. Stress:

    • Severe stress, especially chronic stress, can trigger acute gastritis by increasing stomach acid production and weakening the stomach’s defenses.
    • Stress-induced gastritis is often observed during traumatic events or periods of prolonged emotional strain.
  6. Spicy and Acidic Foods:

    • Consuming overly spicy, acidic, or heavily seasoned foods can irritate the stomach lining and trigger gastritis symptoms in sensitive individuals.
    • While these foods may not cause gastritis on their own, they can exacerbate existing inflammation.
  7. Dietary Habits:

    • Irregular eating patterns, skipping meals, or eating large meals can disrupt the stomach’s natural rhythm and contribute to gastritis.
    • A diet high in processed foods, saturated fats, and low in fiber can increase the risk of chronic gastritis.
  8. Medical Conditions:

    • Certain medical conditions, such as autoimmune disorders (e.g., pernicious anemia) and chronic bile reflux, can contribute to chronic gastritis.
    • These conditions can lead to prolonged inflammation and damage to the stomach lining.
  9. Medications:

    • Apart from NSAIDs, other medications like corticosteroids and certain painkillers can increase the risk of gastritis.
    • These drugs can directly irritate the stomach lining or affect its protective mechanisms.
  10. Chemical Exposure:

    • Inhaling or ingesting certain chemicals, like those found in cleaning products or industrial environments, can lead to chemical gastritis.
    • Direct contact with these substances can damage the stomach lining and cause inflammation.
  11. Infectious Diseases:

    • Besides H. pylori, other infections such as viral infections (e.g., herpes simplex virus) can contribute to the development of gastritis.

Signs & Symptoms of Gastritis:

The symptoms of gastritis can vary and may include:

  1. Upper Abdominal Pain:

    • Gastritis commonly presents with a burning or gnawing pain in the upper abdomen, often described as a dull ache.
    • The pain may be located in the center of the abdomen or slightly to the left, where the stomach is situated.
  2. Nausea and Vomiting:

    • Gastritis can lead to feelings of nausea and an urge to vomit.
    • Vomiting may occur in severe cases, and the vomit may contain blood if there is bleeding in the stomach lining (hemorrhagic gastritis).
  3. Bloating and Indigestion:

    • Many individuals with gastritis experience bloating, a feeling of fullness, and discomfort after eating even small amounts of food.
    • Indigestion or dyspepsia, characterized by an uncomfortable or heavy sensation in the upper abdomen, is a common symptom.
  4. Loss of Appetite:

    • Gastritis can lead to a reduced desire to eat due to the discomfort and pain associated with consuming food.
    • Over time, this loss of appetite can contribute to weight loss and malnutrition if not addressed.
  5. Dark Stool:

    • Gastritis with bleeding in the stomach lining can lead to the passage of dark, tarry stools (melena).
    • The dark color results from the digestion of blood as it passes through the gastrointestinal tract.
  6. Fatigue:

    • Chronic gastritis and bleeding can lead to anemia, a condition characterized by a low red blood cell count.
    • Anemia can result in fatigue, weakness, and a decreased ability to engage in daily activities.
  7. Heartburn:

    • Some individuals with gastritis experience a burning sensation in the chest or throat, known as heartburn or acid reflux.
    • This occurs when stomach acid flows back into the esophagus, causing irritation.
  8. Vitamin B12 Deficiency:

    • Chronic gastritis can affect the stomach’s ability to absorb vitamin B12, leading to a deficiency.
    • Symptoms of vitamin B12 deficiency include fatigue, weakness, tingling sensations, and neurological problems.
  9. Belching and Gas:

    • Gastritis can contribute to excessive belching (burping) and the passage of gas from the stomach.
    • These symptoms may be more pronounced after meals.
  10. Unexplained Weight Loss:

    • Prolonged gastritis, especially if it affects the ability to eat, can lead to unintended weight loss over time.
  11. Discomfort After Eating:

    • Gastritis can cause discomfort shortly after eating, which may persist for a few hours.
    • Individuals may experience a feeling of fullness, even if they have only consumed a small amount of food.
  12. Bad Breath (Halitosis):

    • Stomach acid reflux and the presence of H. pylori bacteria can contribute to bad breath.
  13. Occasional Regurgitation:

    • In some cases, gastritis can cause a regurgitation of stomach contents into the mouth, leading to an unpleasant taste.

Investigation & Diagnosis of Gastritis:

Certainly, here’s an elaboration of the investigation and diagnosis process for gastritis, presented:

  1. Medical History and Physical Examination:

    • The initial step involves discussing the patient’s medical history, including symptoms, duration, and any relevant risk factors.
    • A physical examination may be conducted to assess abdominal tenderness, bloating, or other signs of gastrointestinal distress.
  2. Blood Tests:

    • Blood tests are performed to assess various factors, including levels of red and white blood cells, hemoglobin, and hematocrit.
    • Specific blood tests can determine the presence of H. pylori infection, assess kidney and liver function, and identify markers of inflammation.
  3. Stool Tests:

    • Stool samples may be analyzed for evidence of H. pylori infection, which can be detected through antigens or DNA in the stool.
    • Stool tests can also identify blood in the stool, which may indicate bleeding in the gastrointestinal tract.
  4. Upper Gastrointestinal Endoscopy (Esophagogastroduodenoscopy or EGD):

    • EGD involves the insertion of a flexible tube with a camera (endoscope) through the mouth to examine the stomach and duodenum.
    • This procedure allows direct visualization of the stomach lining, and biopsies can be taken to evaluate inflammation and the presence of H. pylori.
  5. Biopsy and Histopathology:

    • During an endoscopy, small tissue samples (biopsies) are collected from the stomach lining.
    • These biopsies are sent to a laboratory for histopathological examination to assess the degree of inflammation, the presence of H. pylori, and any structural changes.
  6. Urea Breath Test:

    • This non-invasive test involves consuming a solution containing urea labeled with a specific isotope.
    • If H. pylori is present, it produces an enzyme that breaks down the urea and releases the isotope, which can be detected in the patient’s breath.
  7. Imaging Studies:

    • Imaging techniques such as X-rays or CT scans may be used to visualize the stomach and surrounding organs, particularly if complications like ulcers are suspected.
  8. pH Monitoring:

    • pH monitoring measures the acidity in the stomach and the esophagus, helping to diagnose conditions like gastroesophageal reflux disease (GERD) that can mimic gastritis symptoms.
  9. Gastric Emptying Studies:

    • Gastric emptying studies assess how quickly food leaves the stomach, which can help diagnose conditions affecting digestion and motility.
  10. Capsule Endoscopy:

    • In some cases, a patient may swallow a small capsule containing a camera that takes images of the gastrointestinal tract as it travels through the digestive system.
  11. Breath Tests:

    • Certain breath tests can detect the presence of specific substances related to gastritis or bacterial infections.
  12. Autoimmune Antibody Testing:

    • In cases of suspected autoimmune gastritis, blood tests can detect specific antibodies that target the stomach lining.

Treatment of Gastritis in Modern Medical Science:

Treatment for gastritis aims to alleviate symptoms, treat underlying causes, and promote healing of the stomach lining. Common approaches include:

  1. Medications:

    • Proton Pump Inhibitors (PPIs): These drugs reduce stomach acid production, providing relief from symptoms and allowing the stomach lining to heal. Examples include omeprazole, esomeprazole, and lansoprazole.
    • Antacids: Over-the-counter antacids can neutralize stomach acid and provide short-term relief from symptoms like heartburn and indigestion.
    • H2 Blockers: These medications reduce stomach acid production and may be used to alleviate symptoms and promote healing. Examples include ranitidine and famotidine.
    • Antibiotics: If an H. pylori infection is present, a combination of antibiotics is prescribed to eradicate the bacteria. Common antibiotics used include clarithromycin, amoxicillin, and metronidazole.
  2. Lifestyle Modifications:

    • Dietary Changes: Avoiding trigger foods like spicy, acidic, and fatty items, as well as consuming smaller, more frequent meals, can help reduce irritation and symptoms.
    • Hydration: Drinking plenty of water helps maintain a healthy stomach lining and aids in digestion.
    • Reducing Alcohol and Tobacco: Limiting alcohol consumption and quitting smoking can prevent further irritation to the stomach lining.
    • Stress Management: Practicing stress-reduction techniques such as meditation, yoga, and mindfulness can help manage stress-related gastritis.
  3. Treatment of Underlying Causes:

    • H. pylori Eradication: If an H. pylori infection is detected, a combination of antibiotics and acid-suppressing medications is prescribed to eliminate the bacteria and allow the stomach lining to heal.
    • Managing Medications: If gastritis is caused by NSAIDs, the use of these drugs may need to be reduced or replaced with alternative pain relief methods.
  4. Vitamin and Mineral Supplements:

    • Vitamin B12: Individuals with chronic gastritis and reduced stomach acid production may require vitamin B12 supplements to prevent deficiency.
    • Iron and Other Nutrients: In cases of bleeding gastritis, iron supplementation may be necessary to address anemia and nutrient deficiencies.
  5. Surgical Intervention:

    • In severe cases of gastritis, where complications like bleeding or ulcers persist, surgical intervention may be considered.
    • Surgical procedures could include endoscopic therapies to control bleeding or, in rare cases, partial removal of the stomach.

Prevention & Precaution for Gastritis:

Preventing gastritis involves adopting healthy lifestyle habits and addressing risk factors:

  1. Healthy Diet:

    • Consume a well-balanced diet rich in fruits, vegetables, whole grains, lean proteins, and healthy fats.
    • Limit or avoid highly processed, spicy, acidic, and fatty foods that can irritate the stomach lining.
    • Include sources of dietary fiber to promote healthy digestion and maintain gut health.
  2. Moderate Alcohol Consumption:

    • If you choose to drink alcohol, do so in moderation. Excessive alcohol consumption can irritate the stomach lining and increase the risk of gastritis.
  3. Smoking Cessation:

    • Quit smoking to protect the stomach lining and improve overall health. Smoking weakens the stomach’s protective mucus layer and contributes to inflammation.
  4. Stress Management:

    • Practice stress-reduction techniques such as meditation, deep breathing, yoga, and regular exercise.
    • Managing stress can help prevent stress-induced gastritis and promote overall well-being.
  5. Avoiding NSAIDs:

    • Use nonsteroidal anti-inflammatory drugs (NSAIDs) sparingly and under medical supervision.
    • If possible, explore alternative pain relief methods to reduce the risk of NSAID-induced gastritis.
  6. Hygiene and Food Safety:

    • Wash your hands thoroughly before eating or handling food to prevent bacterial infections that can lead to gastritis.
    • Ensure proper food handling, storage, and cooking to prevent foodborne illnesses.
  7. H. pylori Prevention:

    • Maintain good hygiene and avoid close contact with individuals who have confirmed H. pylori infections.
    • If you suspect you may be at risk, consider getting tested and treated for H. pylori infection to prevent its complications.
  8. Medication Management:

    • If you require long-term use of NSAIDs or other medications that can irritate the stomach, discuss potential risks and alternatives with your healthcare provider.
    • Always follow recommended dosages and guidelines when taking medications.
  9. Hydration:

    • Stay well-hydrated to support a healthy stomach lining and proper digestion.
  10. Regular Physical Activity:

    • Engage in regular exercise to promote healthy digestion, manage stress, and maintain a healthy weight.
  11. Adequate Sleep:

    • Prioritize getting sufficient sleep to support overall health and minimize stress-related triggers.
  12. Limit Carbonated Beverages:

    • Reduce consumption of carbonated beverages, as they can contribute to gastric discomfort and irritation.
  13. Regular Health Checkups:

    • Schedule routine medical checkups to monitor your overall health and catch potential issues early.
  14. Maintain a Healthy Weight:

    • Avoid obesity and excess weight gain, which can put extra pressure on the stomach and contribute to gastritis.
  15. Avoiding Chemical Exposure:

    • Take precautions when handling chemicals to prevent accidental ingestion or inhalation.

Ayurvedic Perspective on Gastritis:

Gastritis, known as “Urdhvaga Amlapitta” in Ayurveda, is a condition involving the imbalance of the “Pitta” dosha. According to Ayurveda, Pitta governs digestion, metabolism, and the transformation of food into energy. Gastritis is considered to result from excessive heat and acidity in the stomach, disrupting the natural balance of the doshas.

Ayurvedic Treatment Principles for Gastritis:

Ayurvedic treatments for gastritis focus on restoring the balance of Pitta and promoting healthy digestion. Key principles include:

  1. Dietary Modifications (Ahara):

    • Pitta-Pacifying Foods: Emphasize foods with sweet, bitter, and astringent tastes to balance the excess Pitta. Examples include rice, oats, whole grains, green leafy vegetables, and sweet fruits.
    • Cooling Foods: Incorporate foods with cooling properties, such as cucumber, coconut, melons, and mint, to soothe inflammation in the stomach lining.
    • Avoid Spicy and Sour Foods: Minimize or avoid foods that are excessively spicy, sour, or salty, as they can aggravate Pitta and worsen gastritis symptoms.
    • Proper Food Combinations: Practice mindful food combining to support optimal digestion. Avoid combining incompatible foods, such as mixing dairy with sour fruits.
  2. Herbal Remedies (Aushadha):

    • Yashtimadhu (Licorice): Known for its anti-inflammatory properties, licorice helps soothe the stomach lining and reduce acidity.
    • Dhatri (Amla): Amla is rich in vitamin C and antioxidants, which support the healing of the stomach lining and enhance immunity.
    • Coriander and Fennel: These herbs aid digestion, reduce gas, and alleviate inflammation in the digestive tract.
    • Aloe Vera: Aloe vera gel helps soothe and heal the stomach lining due to its anti-inflammatory and cooling properties.
  3. Panchakarma Therapies:

    • Virechana (Purgation): Purgative therapies help eliminate excess Pitta and toxins from the body, promoting a balanced digestive system.
    • Basti (Enema): Basti treatments with medicated oils or decoctions can help pacify Pitta and strengthen the digestive fire (Agni).
  4. Lifestyle Management (Vihara):

    • Stress Reduction: Practice regular relaxation techniques, such as meditation, Pranayama (breathing exercises), and Yoga, to manage stress and prevent stress-induced gastritis.
    • Daily Routine (Dinacharya): Maintain a consistent daily routine that includes regular meal times, exercise, and sleep patterns to support healthy digestion.
    • Hydration: Drink room temperature or warm water throughout the day to aid digestion and maintain hydration.
    • Moderate Physical Activity: Engage in gentle exercises, such as walking or Yoga, to enhance digestion and promote overall well-being.
  5. Herbal Formulations (Aushadhi):

    • Ayurvedic practitioners may recommend specific herbal formulations tailored to an individual’s constitution (Prakriti) and the nature of the gastritis (Vikriti).
    • These formulations may include herbal combinations that target inflammation, improve digestion, and restore balance to the digestive system.
  6. Detoxification (Sodhana Chikitsa):

    • Periodic detoxification therapies, such as Panchakarma, help eliminate accumulated toxins and excess Pitta, supporting a healthier stomach lining.

Ayurvedic Lifestyle Recommendations for Gastritis:

  1. Regular Eating Schedule: Eat meals at consistent times to support healthy digestion and prevent excessive acidity.

  2. Hydration: Drink warm water throughout the day to aid digestion and maintain hydration.

  3. Mindful Eating: Eat in a calm, relaxed environment, chewing food thoroughly to aid digestion.

  4. Avoid Overeating: Consume moderate portion sizes to prevent overburdening the digestive system.

  5. Spices and Herbs: Incorporate mild spices like cumin, coriander, and fennel to enhance digestion without overheating.

  6. Stress Management: Practice meditation, deep breathing, and other relaxation techniques to reduce stress.

The Role of Ayurveda in Gastritis Prevention:

Ayurveda’s holistic approach to health can play a significant role in preventing gastritis by promoting overall well-being. By balancing doshas, maintaining healthy digestion, and managing stress, Ayurveda helps reduce the likelihood of developing gastritis.

Ayurvedic Researches on Gastritis:

Ayurvedic research on gastritis has focused on evaluating the efficacy of herbal formulations, diet modifications, and traditional therapies. Some studies have highlighted the anti-inflammatory and gastroprotective properties of Ayurvedic herbs, supporting their potential role in gastritis management.

Challenges and Future Directions:

Despite its potential benefits, Ayurveda faces challenges in terms of standardization, scientific validation, and integration with modern healthcare. Future directions include more rigorous research, collaboration between Ayurvedic and conventional medicine, and the development of evidence-based guidelines for gastritis management.


Ayurveda offers a holistic approach to managing gastritis by addressing the root causes, promoting balance, and emphasizing lifestyle modifications. Integrating Ayurvedic principles with modern medical care can lead to more comprehensive and effective management of gastritis while improving overall health and well-being.

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