Home > Encyclopedia of Alternative Medicine > Canker Sores

Definition

Canker sores are small sores or ulcers that appear inside the mouth. They are painful and often recur from once every few years to almost continually. Canker sores are known medically as apthous ulcers or apthous stomatitis.

Description

Canker sores occur on the inside of the mouth, usually on the inside of the lips, cheeks, and/or soft palate. They can also occur on the tongue and in the throat. Often, several canker sores will appear at the same time and may be grouped in clusters. They are painful and sensitive to touch. The average canker sore is about onequarter inch in size, although they can occasionally be larger. The sores may last for weeks at a time and leave a scar. The initial symptom is a tingling or mildly painful itching sensation in the area where the sore will appear. After one to several days, a small red...