Mouth ulcers are painful areas in the mouth and gums. They range in size, and the exact symptoms of a mouth ulcer will depend on the type. While mostly harmless, mouth ulcers can be extremely ...

Some types of ulcers, like arterial ulcers, can take months to clear or may not even heal at all. Other types, like peptic or stomach ulcers, can take a month to heal with proper treatment. An ulcer ...

Stomatitis is inflammation of the mouth. It affects the mucous membranes, which are the thin skin coverings on the inside surface of the mouth. Types of stomatitis include canker sores and cold sores.

Mouth ulcers, which include canker sores, are small sores that develop within the mouth. There are no definite causes of mouth ulcers, but some injuries, allergies, or sensitivities may trigger them.

Can Ulcerative Colitis Cause Mouth Sores? Ulcerative colitis (UC) is a type of inflammatory bowel disease (IBD). UC is a chronic (lasting and persistent) condition that mainly affects the colon, part ...

Canker sores are painful at first but heal quickly on their own. Oral cancer lesions may not cause pain initially and don't go away. See a doctor if you have a sore that doesn't heal in three weeks.