Where does mouth ulcers come from?

Crohn's disease: a long-term condition that causes inflammation of the lining of the digestive system. Mouth sores are painful, usually small lesions that develop in the mouth or at the base of the gums. They can make eating, drinking and talking uncomfortable. Mouth sores are painful areas in the mouth and gums.

They are also known as canker sores. Ulcers are painful sores that appear inside the mouth. They are usually red or yellow in color. They are different from cold sores, which appear on the outside of the lips and are caused by a virus.

If your healthcare provider determines that mouth sores are related to an underlying health problem, managing your condition may reduce the risk of ulcers returning. Oral health problems include tooth decay, gum disease, mouth ulcers, halitosis, infant teething, and thrush. Your dental team may examine your mouth to make sure that the problem is an ulcer and not something more serious, such as oral cancer. Mouth sores, also known as aphthous ulcers or canker sores, are a type of sore that occurs inside the mouth.

Usually red or yellow in color, mouth sores are painful sores that can appear inside the mouth and also on the outside of the lips. Mouth sores vary in size, and the exact symptoms of a mouth ulcer will depend on the type of ulcer the person has. A child with a herpes simplex oral infection may have a sore mouth, mouth sores, and problems eating and drinking. Side effects may include mouth pain and mouth ulcers (oral mucositis), dry mouth and changes in taste capacity.