<unk> es occur when an area of tissue becomes infected and the body's immune system tries to fight it. White blood cells move through the walls of the blood vessels into the area of the infection and collect within the damaged tissue. During this process, pus forms. Pus is the buildup of fluid, living and dead white blood cells, dead tissue, and bacteria or other foreign substances.<unk> es can form in almost any part of the body. The skin, under the skin, and the teeth are the most common sites.<unk> es may be<unk>  by bacteria, parasites, and foreign substances.Abscesses in the skin are easy to see. They are red, raised, and painful.<unk> es in other areas of the body may not be obvious, but they may<unk> significant organ damage.
Cutaneous abscess causes
Gangrene causes
Erysipelas causes
Dermatophytosis causes
Onychomycosis causes
Zygomycosis causes
Rhinitis causes
Leprosy causes