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

Treatments like ointments and home remedies ... HSV-1 to affect the genitals and for HSV-2 to affect the face and mouth. Cold sores are contagious even when they’re not visible.

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