What is a carbuncle? A carbuncle is a connected group of boils that stem from an infection of the skin. “They are sometimes confused for a spider bite,” said Dr. Allison Arthur, a dermatologist and ...

An abscess occurs when an infection causes a pocket of pus to develop. Abscesses can develop on the skin, in the mouth, or inside the body. Bacterial infections typically cause abscesses. Pus develops ...