No one knows what causes these small, painful blisters inside your mouth. Triggers include hypersensitivity, infection, hormones, stress, and not getting enough of some vitamins. Also called aphthous ulcers, canker sores can show up on the tongue, cheek, even your gums. They usually last a week or two.
Canker sores are small white swellings or sores surrounded by an area of. It may help to remember that canker sores occur inside the mouth, while cold. fluid-filled blisters around the lips and sometimes under the nose or around the chin.
Some appear inside the mouth – on the gums, tongue, lips, cheeks or palate (roof of the mouth). Others, like. (minor aphthous ulcers) with a white, yellow or gray center and a flat red border.. Clusters of small blisters may also occur on the .
Canker sores, also called aphthous ulcers, are small sores that form inside of the mouth. They commonly appear inside the cheeks, lips, on or under the tongue, the roof of the mouth and on the gums. Canker sores are usually white or yellow and sometimes have a small red border surrounding them.
These cysts commonly occur on the inside of the lips but can also form on your. These bumps are harmless, but see your dentist if something new forms in your .
They are small, red or white, shallow ulcers occurring on the tongue, soft palate, or inside the lips and cheeks; they do not occur in the roof of the mouth or the .