Tonsil ulcers are among the less frequent of the mouth ulcers.
A tonsil ulcer can be located anywhere on the tonsils.
Unless they are huge or in large numbers, mouth ulcers on tonsils are less painful than other mouth sores because you can't bit them and they are less subject to irritation when you speak. But if they are badly located on the tonsil they make swallowing difficult.
If you often have mouth ulcers on tonsils, AftaZen is a preventive treatment that can keep them away from your tonsil. Learn how: