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.

Peptic ulcers can occur without any symptoms at all, but there are a few signs that you can look for.

Learn what could be causing your stomach distress, plus how to treat it.

Keep your system running smoothly with these rules for regularity

It may be a sign of a serious health condition. Here’s what you need to know.

Learn what to expect if you accidentally sit in someone else's urine.