Gatroduodenal Crohn’s disease: Symptoms, Causes, Treatments, and More

Gastroduodenal Crohn’s disease is a rare form of Crohn’s disease that affects the stomach and the duodenum, the first part of the small intestine.

Crohn’s disease is a type of inflammatory bowel disease (IBD) that can affect the gastrointestinal tract.

Most people with Crohn’s disease experience inflammation in the lower part of the small intestine (ileum) or the colon. In gastroduodenal Crohn’s, inflammation specifically targets the duodenum, a section of the upper digestive tract.

In most cases, however, inflammation is not isolated to the duodenum, so people will also experience inflammation in other parts of the gastrointestinal tract, such as the colon or ileum.

The esophagus, stomach, and duodenum are affected in only 0.5% to 4% of individuals with Crohn’s disease. It is even less common for a person to have Crohn’s disease only in the stomach or duodenum. Isolated gastroduodenal Crohn’s disease accounts for less than 0.07% of all Crohn’s cases.

Early recognition is essential for managing symptoms and preventing complications, such as narrowing of the stomach outlet.

This article explains the key facts about gastroduodenal Crohn’s disease, including its symptoms, causes, and treatment options.

The exact cause of gastroduodenal Crohn’s disease is unknown, but it shares similar risk factors with other forms of IBD.

Symptoms of gastroduodenal Crohn’s disease vary. Many people with this type of Crohn’s disease do not experience any noticeable symptoms (asymptomatic), while others experience severe digestive distress.

Inflammation can cause the stomach wall or duodenum to thicken. In severe cases, this swelling can narrow the passage where food leaves the stomach, known as the gastric outlet, leading to blockages and symptoms.

The location of the pain is a key difference. People with gastroduodenal Crohn’s typically feel pain in the upper middle abdomen, while those with lower bowel Crohn’s experience it in the lower right abdomen.

The type of symptoms associated with different types of Crohn’s disease may also vary.

For instance, diarrhea is a primary symptom of lower bowel Crohn’s disease, but it is not always present with gastroduodenal Crohn’s, unless the person also has intestinal inflammation.

Nausea and vomiting are also more prominent in the gastroduodenal subtype.

A person should contact a doctor if they experience persistent digestive symptoms, such as abdominal pain, nausea, and unexplained weight loss, that do not improve with over-the-counter (OTC) remedies.

Doctors use a combination of tests to diagnose gastroduodenal Crohn’s disease because symptoms can mimic those of other stomach conditions. Tests may include:

Treatment aims to heal the lining of the digestive tract and manage symptoms. Because gastroduodenal Crohn’s is often associated with more severe disease, doctors may start aggressive treatment earlier.

Doctors prescribe various medications to reduce stomach acid and control the immune system response. These may include:

Making certain adjustments to daily habits and diet can also help manage the condition. Quitting smoking is essential, as continuing to smoke can make the disease worse and increase the risk of flares. Also, if the stomach outlet is narrowed, a doctor may recommend a liquid or soft diet to prevent blockages.

If left untreated, the chronic inflammation of gastroduodenal Crohn’s disease can lead to structural damage in the digestive tract. Potential complications may include:

Crohn’s disease is a chronic, lifelong condition, but it is not typically fatal. People with Crohn’s disease generally have a life expectancy similar to that of the general population or slightly lower.

However, the long-term outlook for Crohn’s disease affecting the stomach and upper intestine is not yet fully understood.

Gastroduodenal Crohn’s disease involves inflammation of the stomach and the upper part of the small intestine.

It is a rare subtype of inflammatory bowel disease that causes symptoms such as upper abdominal pain, nausea, and weight loss. Sometimes, a person has no symptoms.

Treatment typically involves PPIs to reduce acid, along with corticosteroids and biologic medications to regulate the immune system. Early treatment helps prevent complications such as strictures, which can block the stomach.