Gastric Ulcer: Causes, Symptoms, and Treatment

What is Gastric Ulcer?

A gastric ulcer, also known as a stomach ulcer, is an open sore that develops on the inner lining of the stomach. These ulcers occur when the thick layer of mucus that protects your stomach from digestive juices is reduced, allowing the acidic digestive juices to eat away at the stomach lining. Gastric ulcers are a type of peptic ulcer disease, which also includes ulcers in the upper part of the small intestine (duodenal ulcers).

Gastric ulcers can be painful and, if left untreated, may lead to serious complications such as bleeding or perforation (a hole in the stomach wall). While they can affect anyone, they are more common in adults, particularly those over the age of 60. With proper diagnosis and treatment, most gastric ulcers can be healed effectively.

Common Causes

Gastric ulcers develop when there is an imbalance between digestive fluids in the stomach and duodenum. Several factors can contribute to this imbalance, including:

• Helicobacter pylori (H. pylori) infection: This bacterium is the most common cause of gastric ulcers. It weakens the protective mucus layer of the stomach, making it more susceptible to damage from digestive acids. According to the CDC, about 50% of the world's population has H. pylori in their digestive tract, though not everyone develops ulcers.
• Regular use of nonsteroidal anti-inflammatory drugs (NSAIDs): Medications like ibuprofen, aspirin, and naproxen can irritate or inflame the stomach lining, especially when used frequently or in high doses.
• Excessive alcohol consumption: Alcohol can erode the mucus layer in the stomach, increasing the risk of ulcers.
• Smoking: Smoking increases stomach acid production and damages the protective lining, making ulcers more likely and slowing their healing.
• Stress: While emotional stress alone doesn’t cause ulcers, severe physical stress (such as from major surgery, trauma, or burns) can lead to stress ulcers.
• Spicy or acidic foods: Though not a direct cause, these foods can aggravate existing ulcers and worsen symptoms.
• Zollinger-Ellison syndrome: A rare condition where tumors in the pancreas or duodenum cause excessive stomach acid production, leading to ulcers.
• Radiation therapy: Treatment for cancer, particularly in the abdominal area, can increase the risk of gastric ulcers.
• Genetic factors: A family history of peptic ulcers may increase your risk.
• Other medications: Certain medications, such as steroids, anticoagulants, or SSRIs (selective serotonin reuptake inhibitors), may increase ulcer risk, especially when combined with NSAIDs.

Sources: Mayo Clinic, NIH

Associated Symptoms

The most common symptom of a gastric ulcer is a burning or gnawing pain in the stomach, typically felt between the breastbone and the navel. This pain can vary in intensity and may:

• Occur when the stomach is empty, often between meals or at night.
• Be temporarily relieved by eating or taking antacids.
• Last for a few minutes to several hours.
• Come and go for days or weeks.

Other symptoms may include:

• Bloating or a feeling of fullness.
• Heartburn or acid reflux.
• Nausea or vomiting (vomiting may be bloody or resemble coffee grounds).
• Loss of appetite or unexplained weight loss.
• Dark or tarry stools (a sign of bleeding in the digestive tract).
• Fatigue or weakness (due to anemia from blood loss).
• Indigestion or discomfort after eating fatty or spicy foods.

Some people with gastric ulcers may not experience any symptoms, especially in the early stages. However, even asymptomatic ulcers can lead to complications if untreated.

When to See a Doctor

You should consult a healthcare provider if you experience persistent symptoms of a gastric ulcer, such as:

• Stomach pain that doesn’t go away, especially if it wakes you up at night.
• Difficulty swallowing or persistent indigestion.
• Unexplained weight loss or loss of appetite.
• Vomiting, particularly if it is bloody or looks like coffee grounds.
• Dark, tarry, or bloody stools.

If you are taking NSAIDs regularly and experience stomach discomfort, talk to your doctor about alternatives or strategies to protect your stomach lining.

Early diagnosis and treatment can prevent complications such as bleeding, perforation, or obstruction of the digestive tract.

Diagnosis

To diagnose a gastric ulcer, your doctor will likely start with a thorough medical history and physical examination. They may ask about your symptoms, diet, medication use, and lifestyle habits. Diagnostic tests may include:

• Upper endoscopy: A thin, flexible tube with a camera (endoscope) is inserted through the mouth into the stomach to visualize the ulcer and take tissue samples (biopsy) for testing, including for H. pylori.
• H. pylori tests:
  • Urea breath test: You swallow a special liquid, and your breath is analyzed for signs of H. pylori.
  • Stool test: A sample of stool is tested for H. pylori.
  • Blood test: Checks for antibodies to H. pylori, though this may not always indicate an active infection.
• Barium swallow (upper GI series): You drink a thick liquid (barium) that coats the digestive tract, making ulcers visible on X-rays. This test is less common now but may be used if endoscopy is not available.
• CT scan or MRI: These imaging tests may be used in complicated cases or to rule out other conditions.

Your doctor may also recommend tests to check for complications, such as anemia (from bleeding) or obstruction.

Sources: Cleveland Clinic, WHO

Treatment Options

Treatment for gastric ulcers depends on the underlying cause and severity. The goals are to relieve symptoms, heal the ulcer, and prevent complications or recurrence. Treatment options include:

Medical Treatments

• Antibiotics: If H. pylori is present, a combination of antibiotics (such as amoxicillin, clarithromycin, or metronidazole) is prescribed to eradicate the infection. Treatment typically lasts 10–14 days.
• Proton pump inhibitors (PPIs): Medications like omeprazole, pantoprazole, or esomeprazole reduce stomach acid production, allowing the ulcer to heal. PPIs are often prescribed for 4–8 weeks.
• H2-receptor antagonists: Drugs such as famotidine or ranitidine (though ranitidine has been recalled in some countries) reduce acid production and promote healing.
• Antacids: Over-the-counter antacids (e.g., calcium carbonate or magnesium hydroxide) can neutralize stomach acid and provide temporary relief from pain.
• Cytoprotective agents: Medications like sucralfate or misoprostol help protect the stomach lining and promote healing.
• Discontinuing NSAIDs: If NSAIDs are the cause, your doctor may recommend stopping them or switching to a different pain reliever, such as acetaminophen.

Home and Lifestyle Remedies

In addition to medical treatment, the following lifestyle changes can help manage symptoms and support healing:

• Avoid irritants: Limit or avoid alcohol, caffeine, spicy foods, and acidic foods (e.g., citrus, tomatoes) that may worsen symptoms.
• Quit smoking: Smoking slows healing and increases the risk of complications.
• Eat smaller, frequent meals: This can help reduce stomach acid production and ease discomfort.
• Manage stress: Techniques such as meditation, deep breathing, or yoga may help reduce stress-related ulcer symptoms.
• Stay hydrated: Drink plenty of water to support overall digestive health.
• Consider probiotics: Some studies suggest that probiotics (e.g., Lactobacillus) may help combat H. pylori and support gut health, though more research is needed.

Always consult your doctor before trying home remedies, especially if you are on medication or have other health conditions.

Prevention Tips

While not all gastric ulcers can be prevented, you can reduce your risk by adopting the following habits:

• Practice good hygiene: Wash your hands thoroughly and ensure food is properly cooked to avoid H. pylori infection.
• Use NSAIDs cautiously: Take the lowest effective dose for the shortest time possible. Always take NSAIDs with food or a glass of milk, and avoid alcohol while using them.
• Avoid smoking and limit alcohol: Both can damage the stomach lining and increase ulcer risk.
• Manage stress: Chronic stress can worsen ulcer symptoms, so find healthy ways to cope, such as exercise or counseling.
• Eat a balanced diet: Include plenty of fruits, vegetables, whole grains, and lean proteins. Some studies suggest that foods rich in antioxidants (e.g., berries, leafy greens) and flavonoids (e.g., apples, celery) may help protect against ulcers.
• Stay hydrated: Drinking enough water supports mucus production in the stomach.
• Get tested for H. pylori: If you have a family history of ulcers or digestive issues, talk to your doctor about testing.

If you are at high risk for ulcers (e.g., due to frequent NSAID use), your doctor may recommend preventive medications like PPIs or misoprostol.

Emergency Warning Signs

Seek immediate medical attention if you experience any of the following symptoms, which may indicate a serious complication such as bleeding, perforation, or obstruction:

• Severe, sudden stomach pain: This could indicate a perforated ulcer, which is a medical emergency.
• Vomiting blood: Blood may appear red or resemble dark coffee grounds.
• Black, tarry, or bloody stools: This is a sign of internal bleeding.
• Dizziness, lightheadedness, or fainting: These may indicate significant blood loss.
• Difficulty breathing or chest pain: These symptoms may suggest a perforated ulcer affecting nearby organs.
• Severe weakness or fatigue: This could be due to anemia from chronic bleeding.

If you or someone else experiences these symptoms, call emergency services or go to the nearest emergency room immediately. Complications from gastric ulcers can be life-threatening if not treated promptly.

Sources: Mayo Clinic, CDC