Final answer:
H. pylori infection can cause peptic ulcers, which are ulcers in the lining of the stomach or duodenum. Treatment involves antibiotics and medications to decrease stomach acid levels.
Step-by-step explanation:
H. pylori infection can cause peptic ulcers. Peptic ulcers are ulcers in the lining of the stomach or duodenum. The bacterium H. pylori is associated with increased risk of stomach cancer. Treatment for H. pylori infection involves antibiotics to kill the bacteria and medications to decrease stomach acid levels.