The nurse is administering medications to a patient with a duodenal ulcer. The patient asks about his medications and how they treat his disease. The nurse explains that duodenal ulcers are predominately caused by:


• Up to 90% of duodenal ulcers are caused by the bacteria Helicobacter pylori. Treatment consists of 1 or 2 antibiotics, a proton pump inhibitor, and bismuth

• Stress, NSAID use, and alcohol can lead to gastric, not duodenal ulcers

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