Stomach and duodenal ulcers – learn about the causes, symptoms, effective treatment methods, and dietary principles that support therapy and prevention of this condition.
Table of Contents
- What are stomach and duodenal ulcers?
- Most common causes of ulcers
- Symptoms of stomach and duodenal ulcers – how to recognize them?
- Diagnosing ulcer disease – which tests to perform?
- Ulcer treatment: pharmacological methods and natural support
- Diet for ulcers – what to eat and what to avoid?
What are stomach and duodenal ulcers?
Stomach and duodenal ulcers are common gastrointestinal diseases characterized by the appearance of erosions or lesions in the mucous membrane of the stomach or the initial part of the small intestine, known as the duodenum. These lesions, also referred to as erosions or ulcers, vary in depth and size – from a few millimeters to several centimeters. Most often, ulcers occur as a result of an imbalance between protective factors of the mucosa and aggressive factors such as hydrochloric acid or digestive enzymes present in gastric juice. Normally, the mucous membrane of the stomach and duodenum has the ability to regenerate and protect itself from the harmful effects of the acidic environment, but when these protective mechanisms are weakened or there is excessive production of acid and pepsin, a favorable environment for ulcer formation is created. Gastric ulcers most often appear on the lesser curvature of the stomach, whereas duodenal ulcers are usually found in the duodenal bulb, which is its initial section.
The key factor differentiating stomach ulcers from duodenal ulcers is their location, but also the specifics of the accompanying symptoms and their causes. Duodenal ulcers are diagnosed up to twice as often as stomach ulcers; however, both types can have a similar clinical course, causing, among others, epigastric pain, digestive disorders, and periodic worsening of general wellbeing. It is important to stress that a significant role in the development of ulcers is played by infection with the bacterium Helicobacter pylori, which is responsible for the majority of ulcer cases, both in the stomach and the duodenum. However, other factors also predispose to ulcer development, such as the use of non-steroidal anti-inflammatory drugs (NSAIDs), chronic stress, or genetic predisposition. A characteristic feature of ulcers is their chronicity and tendency to recur, which is why early diagnosis and a comprehensive approach to treatment are essential – covering both pharmacotherapy and a well-balanced diet as well as lifestyle modifications. If left untreated or improperly managed, ulcers can lead to serious complications such as bleeding, perforation, or inflammation, which is why they are counted among diseases requiring special attention and specialized medical care.
Most common causes of ulcers
Stomach and duodenal ulcers arise from an imbalance between the factors protecting the gastrointestinal mucosa and the damaging factors. The most significant etiological factor, confirmed by numerous clinical studies, is chronic infection with the bacterium Helicobacter pylori. This spiral-shaped bacterium, found in the mucus covering the gastric mucosa, produces enzymes (including urease) that neutralize the action of hydrochloric acid. However, the activity of H. pylori leads to local inflammation and, consequently, to the formation of microscopic damage and lesions in the epithelium. In those infected, the risk of ulcer development increases many times, especially when other risk factors are also present. Another significant factor is the long-term use of non-steroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen, ketoprofen, or aspirin. These drugs, often used to relieve pain or treat inflammatory conditions, disrupt the natural protective mechanisms of the digestive tract by inhibiting the production of prostaglandins responsible for mucus and bicarbonate production, thus weakening the mucosal barrier. As a result, the stomach and duodenum walls are more susceptible to damage from hydrochloric acid and digestive enzymes, which promotes ulcer formation.
It should be remembered that apart from H. pylori infection and NSAID use, other factors play an important role in ulcer development. Frequently mentioned are genetic predispositions – some people have an inherited increased sensitivity of the mucosa to damaging agents or excessively active gastric acid secretion. Psychological and physical stress, especially chronic, impairs repair and protective mechanisms in the digestive system, disturbs mucosal blood flow, and weakens regeneration. Some comorbidities, such as chronic kidney failure or liver cirrhosis, also increase the risk of ulcer development by disturbing metabolism and weakening the body’s protective properties. Additionally, smoking tobacco and regular alcohol consumption have a toxic effect on the mucosa of the stomach and duodenum, worsening inflammation and destroying the protective barrier. An improper diet – rich in spicy foods, fatty meals, and highly processed products – can promote excessive gastric juice secretion and irritate the mucosa, although in itself it is rarely a direct cause of ulcers. Also noteworthy are some medications, such as glucocorticosteroids or selective serotonin reuptake inhibitors (SSRIs), which, combined with other risk factors, may have ulcerogenic effects. Identifying the cause of a specific ulcer makes it possible to effectively plan treatment and implement preventive actions to avoid recurrence of the disease.
Symptoms of stomach and duodenal ulcers – how to recognize them?
Diagnosing stomach and duodenal ulcers is not always straightforward, as the symptoms are often nonspecific or confused with signs of other gastrointestinal diseases. The most characteristic symptom of ulcers is epigastric pain, which can range from a dull feeling of discomfort to intense, stabbing pain. In the case of stomach ulcers, the pain most often appears shortly after eating, while in duodenal ulcers the symptoms usually occur on an empty stomach, at night, or a few hours after eating, with food intake often bringing relief. The severity of symptoms can vary and depends on the extent of the ulcers and individual sensitivity. Very common complaints also include a feeling of fullness, bloating, belching, and nausea, which sometimes leads to vomiting. In some cases, gastrointestinal bleeding may appear, manifesting as black, tarry stools or bloody vomiting, which is an alarm signal and requires urgent medical attention. Additionally, patients may notice loss of appetite, weight loss, general weakness, and in severe cases also anemia symptoms such as pale skin and a persistent feeling of fatigue. In children and older adults, ulcer symptoms are often atypical, making quick diagnosis much more difficult – in these groups, unusual symptoms may predominate, such as general irritability, unexplained apathy, or a tendency to faint.
An important aspect of ulcer diagnosis is differentiating stomach and duodenal symptoms from those caused by other systems, such as diseases of the bile ducts, pancreas, or gastroesophageal reflux disease, which can trigger similar symptoms. Diagnostic details include the timing of pain in relation to meals, its location, and responses to acid-neutralizing medications. Persistent or untreated ulcers may lead to serious complications, so it is important not to ignore chronic gastrointestinal symptoms and to see a doctor for appropriate diagnostics, such as gastroscopy, testing for Helicobacter pylori, or laboratory tests to assess general health. Remember, any concerning symptom – especially sudden, severe abdominal pain, rapid weight loss, persistent vomiting, or presence of blood in stool – requires immediate diagnosis, as it may indicate complications such as gastrointestinal wall perforation, hemorrhage, or pyloric stenosis. Early recognition and rapid initiation of appropriate therapy are crucial for preventing serious consequences and improving patient quality of life.
Diagnosing ulcer disease – which tests to perform?
Diagnosing stomach and duodenal ulcer disease requires comprehensive methods that not only confirm the presence of ulcers, but also determine their location, size, stage, and any complications. The fundamental and most important diagnostic test is gastroscopy, i.e. endoscopic examination of the upper gastrointestinal tract. During this test, the doctor inserts a flexible device – a gastroscope equipped with a camera and light source – through the mouth into the esophagus, stomach, and duodenum. This allows direct visualization of the mucosa and evaluation of whether the changes are ulcers or other pathologies, such as erosions or neoplastic lesions. Gastroscopy also enables taking biopsies for further histopathological evaluation and detecting the presence of Helicobacter pylori using a urease or histological test. If suspicious lesions suggesting cancer are found, biopsy is essential for confirming or excluding the diagnosis. Gastroscopy also allows assessment of ulcer complications such as bleeding or perforations. Additionally, some therapeutic procedures can be performed during endoscopy, such as controlling bleeding.
Besides gastroscopy, detecting Helicobacter pylori infection is an important element of diagnosis, as it is a major cause of ulcers. Non-invasive breath tests (urea breath test), stool tests for H. pylori antigens, and serological tests (antibody detection in blood serum), though the latter are rarely used for active infection diagnostics, are available. The breath test involves giving a patient a solution of isotopically labeled urea and measuring the resulting carbon dioxide exhaled. These tests are particularly useful for assessing the effectiveness of H. pylori eradication after treatment. Basic laboratory blood tests are also performed to identify coexisting anemia from chronic ulcer bleeding and to detect changes in inflammatory parameters. In acute or complicated cases, imaging studies such as abdominal x-rays (useful for suspected ulcer perforation) or CT scans may be used, though these are less common than gastroscopy. For people in whom gastroscopy is contraindicated or not possible, radiological examination with contrast (upper GI tract radiography with barium) is considered, though it is now of less clinical importance. Final diagnosis requires close cooperation between the gastroenterologist, endoscopist, and primary care physician, who together – based on patient history, physical exam, and instrumental and lab results – select the best diagnostic and therapeutic pathway.
Ulcer treatment: pharmacological methods and natural support
The treatment of stomach and duodenal ulcers is based primarily on pharmacotherapy aimed at eliminating the cause of the disease, reducing gastric acid secretion, protecting the mucosa, and preventing complications and relapses. The key element is eradication of Helicobacter pylori, responsible for most ulcer cases – this is achieved through combination therapy involving two different antibiotics (most often amoxicillin plus clarithromycin or metronidazole) together with proton pump inhibitors (PPIs, such as omeprazole, pantoprazole). PPIs significantly reduce gastric acid secretion, allowing for regeneration of damaged mucosa. If Helicobacter pylori infection cannot be confirmed or is absent, treatment focuses on acid-suppressing medications (PPIs or H2 receptor antagonists like ranitidine) and mucosal protective agents (such as sucralfate or bismuth). In cases where ulcers are caused by chronic use of NSAIDs, these medicines should be discontinued or switched to less mucosa-damaging drugs, with intensive pharmacological protection of the stomach. In severe cases, especially with complications, surgical treatment may be considered. Pharmacotherapy should always be individually tailored by a doctor and include not only short-term treatment but also proper maintenance therapy to prevent relapse and minimize serious complications, such as perforation or bleeding.
Alongside pharmacological treatment, natural methods are increasingly valued as supportive in both ulcer therapy and prevention. Lifestyle modifications – avoiding stress, eating light, regular meals, eliminating stimulants (especially smoking and alcohol), and maintaining good food hygiene – can significantly aid ulcer healing and reduce relapse risk. Some plant extracts, such as marshmallow root, plantain, licorice, flaxseed, or aloe, have soothing and regenerative effects on the mucosa. Natural probiotics, including yogurt and kefir, support intestinal microbiota balance and can help mitigate the side effects of antibiotics. Vitamin supplementation, especially B vitamins and vitamin C, is also important for the healing process. However, natural and home remedies should always be considered as complementary and never as alternatives to professional medical therapy. Before starting herbal remedies or other natural supplements, it’s recommended to consult a doctor or dietitian, as some preparations may interact with medications or worsen symptoms in sensitive individuals. Early diagnosis and appropriate pharmacological treatment, complemented by natural supportive strategies, represent the most effective path to full recovery and prevention of ulcer disease recurrence and complications.
Diet for ulcers – what to eat and what to avoid?
Diet plays a crucial role in treating and alleviating the symptoms of stomach and duodenal ulcers by supporting mucosa healing and reducing the risk of irritation and recurrence. Dietary recommendations are based on the principles of an easily digestible diet, aimed at giving the digestive tract a break and minimizing aggressive gastric acid secretion. For an ulcer-friendly diet, it is especially important to eat regular, small meals at even intervals and to avoid overeating, which prevents excessive stretching of the stomach and limited acid production. Recommended foods for ulcers include boiled or stewed low-fiber vegetables such as carrots, potatoes, pumpkin, beets, or zucchini, as well as easily digestible fruits: bananas, apples (preferably cooked or baked), pears, and peaches. Lean meat (e.g., skinless turkey, chicken, rabbit), steamed fish, and delicate dairy products such as natural yogurt, kefir, cottage cheese, and reduced-fat milk are also beneficial. Including good-quality plant oils (rapeseed, flaxseed, olive oil) in small amounts is recommended, as they not only provide healthy fats but also help absorb fat-soluble vitamins. It is important to choose minimally processed foods free from spicy seasonings, as these can irritate the stomach lining. Cooking methods for ulcer sufferers should include boiling, steaming, stewing without frying, or baking in foil. Frying, grilling, and braising with fat should be avoided, as these methods increase irritating compounds that damage the mucosa.
The core of the ulcer-friendly diet is also to avoid foods and drinks that can irritate the digestive tract and intensify symptoms, delaying mucosal healing. This group includes fatty, heavy, bloating, and highly seasoned foods. Eliminate fried dishes, fast-food, high-fat ripened cheeses (yellow cheese, blue-veined cheeses), fatty cured meats, offal, dishes with large amounts of onions, garlic, peppers, chili, pepper, or other hot spices. Foods high in insoluble fiber such as legumes, raw cabbage, nuts as well as coarse wholegrain bread and groats are also not recommended. People with ulcers should limit or completely avoid carbonated beverages, strong coffee, black tea, cocoa, alcohol, and citrus juices, all of which increase gastric acid secretion and irritate the mucosa. Avoid eating food that is too hot or too cold, as rapid temperature changes may cause mucosal microdamage. Remember, even foods generally considered safe may cause symptoms in sensitive individuals – thus, an individually tailored approach, food diary, and monitoring bodily reactions are recommended. Adequate hydration is also crucial – ideally through lukewarm, non-carbonated water or herbal teas (linden, chamomile, or mint), which can alleviate symptoms and support regeneration of the stomach and duodenal mucosa.
Summary
Stomach and duodenal ulcers are a common problem that should not be underestimated. Knowing the main risk factors, early diagnosis, and implementing effective treatment can significantly improve quality of life and prevent serious complications. An appropriate diet also plays an important role in supporting stomach mucosa regeneration. If you notice worrying symptoms or belong to a risk group, do not delay medical consultation – a quick response increases your chances for a complete recovery.
