A mouth ulcer is a sore or lesion that forms inside the mouth and can develop on the gums, inner cheek, and roof of the mouth. Allergic reactions, braces, retainers, and hormonal changes can cause ...

Ulcers form when inflammation causes tissue erosion, leading to pain and discomfort. Some ulcers heal on their own, while others require medical treatment. Ulcers can develop in various body parts, ...

A stomach ulcer is a “crater” on the lining of the stomach that develops when the stomach is inflamed, Dr. Plaut says. “In most cases, stomach acid is a key driver of ulcer formation.” While the term ...

Most of us have dealt with an occasional upset stomach. It’s uncomfortable, but usually passes after a few hours or a quick antacid. But when that stomach pain doesn’t go away or when it keeps ...