Abscess If you notice a painful bump on the roof of your mouth, it could be an abscess—an infection that forms when bacteria invade the soft tissues. According to Dr. Ross, abscesses often develop due ...

Viruses can also lead to the formation of dots and sores inside the mouth. Herpes simplex virus ... soreness or dry cracks appear beside the lips. They are usually caused by dryness or some ...

Erythema multiforme is an immune-mediated skin condition that may develop inside the mouth. Oral symptoms can include lesions on the lips and blisters and erosions on the gums and palate.

For some lucky people, mouth ulcers are a one-time occurrence. Often, though, they reappear four to five times a year ...

The herpes simplex virus can cause white spots on the mouth that turn into blisters ... and patches inside the mouth or on the tongue, but occasionally it can present on the lips or corners ...

On Christmas Eve, my boyfriend mentioned I had a small pimple on my lip. That immediately drew my attention to a familiar feeling — a tingling sensation at the corner of my mouth. I’ve had cold sores ...

Per Dr. Cristina Psomadakis, cold sores usually affect the outer part of your lip, but can also appear around and inside the mouth. "With a cold sore, you may have additional symptoms of feeling ...