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 cyst is a sac or cavity that may be filled with pus, semi-solid material, or air. It doesn’t usually cause pain until it gets large. An abscess is a painful, red infection that’s filled with pus. A ...

Jon LaPook, M.D. is the award-winning chief medical correspondent for CBS News. Since joining CBS News in 2006, LaPook has delivered more than 1,200 reports on a wide variety of breaking news and ...

A skin abscess or boil is a bump on or below the skin’s surface. It may look like a pimple but larger and deeper under the skin. Abscesses usually contain pus or clear fluid and can appear anywhere on ...

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 ...