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 ...

A skin abscess is a bump within or below the skin’s surface. It is usually full of pus, painful, and may feel thick and swollen. This is typically caused by a bacterial infection. A skin abscess may ...

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 ...

A tooth abscess or a periapical abscess to be more precise is an infection that affects the tooth and may also affect the gums. Toothaches are always painful and especially a tooth abscess can be ...

Cellulitis and skin abscesses are both due to bacterial infections. They may develop separately or together, and they need different treatments. Your skin is home to about 1,000 different species of ...