Cold sores and pimples on the lips can look and feel similar, but they're different. Derms break down the differences and ...

A pimple on your lip forms when a pore gets clogged with bacteria. The most common symptom of a pimple is a small, tender, raised bump on the skin. If the pimple is filled with pus, it’s called ...

The result is a small, tender, raised bump on the skin that's sometimes filled with pus. A pimple on your lip can be uncomfortable. A dermatologist (who specializes in skin, hair, and nails ...

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