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

Moreover, a pimple on your lip line will usually appear as a whitehead or blackhead, and cold sores are a collection of small blisters on an inflamed red base. Still unsure whether the bump on ...

Lie bumps are common and happen when the small bumps ... like blisters – red, raised, and painful bumps. They typically occur outside of the mouth on and around the lips, but it is possible ...