An abscess is an accumulation of pus, usually caused by a bacterial infection. A bacterial infection may lead to an abscess in several ways. For example, using a contaminated needle can introduce ...

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 ...

A boil, or skin abscess, is a localized infection deep in the skin. A boil generally starts as a reddened, tender area. Over time, the area becomes firm and hard. Eventually, the center of the abscess ...