What Is Duodenitis?


Quick Answer

Duodenitis refers to inflammation of the duodenum, the first section of the small intestine, reports Healthline. The condition is frequently caused by the presence of Helicobacter pylori, a bacterium that is usually transmitted by person-to-person contact with an infected individual. Other causes include smoking and long-term use of some medications.

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Full Answer

Duodenitis may be asymptomatic. In some cases, it causes nausea, vomiting and stomach cramps, according to Healthline. Some patients experience more severe symptoms, such as internal bleeding.

Mild cases of duodenitis may resolve without medical treatment, states Healthline. In more serious or chronic cases, doctors may prescribe antibiotics, antacids or proton pump inhibitors.

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