Abscess If you notice a painful bump on the roof of your mouth, it could be an abscess—an infection that forms when bacteria ...

Lesions or lumps that appear on your lips or inside your mouth and don't go away are intensely ... pimples on the lip can appear as a fluid-filled bump with a visible head or as a raised, inflamed ...

A common condition that can affect up to 70 to 80 percent of adults, but many won't know what it is and why they get it ...

This condition most commonly results in white bumps and patches inside the mouth or on the tongue, but occasionally it can present on the lips or corners of the mouth, as well, Massick says.