how do you get rid of ulcer on your tongue
1 A painful sore or sores inside your mouth, on the tongue, soft palate (the back portion of the roof of your mouth), or inside your cheeks. 2  Sores in your mouth that are round, white, or grey in colour, with a red edge or border.outh ulcers: Symptoms, treatment and prevention. Mouth ulcers are sores that appear in the mouth, often on the inside of the cheeks. Mouth ulcers, also known as apthous ulcers, can be painful when eating, drinking or brushing teeth.