Yellowing and reddening in a mouth on a palate

[Marina]

Good afternoon! Prompt, please, the following: in a mouth on a palate there is a yellowing and reddening. Rises in temperature are not present. Simultaneously nabuhaet mucous under tongue, it is done or made brightly red color. All this keeps nesk-to days, passes or takes place, and after a while appears again. An allergy I exclude, t. To. Never it or her was.

[Aritmolog]

It is a stomatitis, the reason can be an infection, a virus, funguses, etc. Address to the stomatologist.