The growth of managed care in the U.S. was spurred by the enactment of the Health Maintenance Organization Act of 1973. While managed care techniques were pioneered by health maintenance organizations, they are now used by a variety of private health benefit programs.
1 Cellulitis is a spreading bacterial infection of the skin and tissues beneath the skin. 2  Staphylococcus and Streptococcus are the types of bacteria that are usually responsible for cellulitis, although many types of bacteria can cause the condition. Sometimes cellulitis appears in areas where the skin has broken open, such as the skin near ulcers or surgical wounds. 2  Symptoms and signs include redness, tenderness, swelling, and warmth of the affected area. 3  Cellulitis is not contagious.
Infection, which can occur in a joint or under the skin. An abscess is a pocket of pus that forms at the site of infected tissue. Cellulitis is a skin infection that can cause mild or severe swelling. Burns, which can cause swelling at the site of the burn or in a larger area around the burn. Inflammation that occurs when tissue is irritated by overuse or repeated motion. Swelling of the tendon and swelling caused by a series of small tears around a tendon (tendinosis) can occur together or separately.