What is a stomach ulcer?

An ulcer is an open sore in the lining of your stomach, small intestine or esophagus. In this video, gastroenterologist Roshini Raj, MD, explains the most common causes of ulcer formation, including H. pylori bacteria and OTC pain relievers.

Up Next

What is an ulcer?
What lifestyle changes should I make if I have an ulcer?
What are common GERD symptoms?
How can H. pylori lead to stomach cancer?
What are the warning signs of a serious digestive issue?
How do probiotics work?
What causes symptoms of heartburn and GERD?
What are probiotics?
Who is at risk for stomach cancer?
What foods can cause acid reflux?

Up Next

What is an ulcer?
What lifestyle changes should I make if I have an ulcer?
What are common GERD symptoms?
How can H. pylori lead to stomach cancer?
What are the warning signs of a serious digestive issue?
How do probiotics work?
What causes symptoms of heartburn and GERD?
What are probiotics?
Who is at risk for stomach cancer?
What foods can cause acid reflux?

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Cookie policy Your privacy choices

© 2026 Sharecare, Inc.