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Pus is an exudate, typically white-yellow, yellow, or yellow-brown, formed at the site of inflammation during infections, regardless of cause. [ 1 ] [ 2 ] An accumulation of pus in an enclosed tissue space is known as an abscess , whereas a visible collection of pus within or beneath the epidermis is known as a pustule , pimple or spot.
An abscess is a collection of pus that has built up within the tissue of the body, usually caused by bacterial infection. [6] [7] Signs and symptoms of abscesses include redness, pain, warmth, and swelling. [1] The swelling may feel fluid-filled when pressed. [1] The area of redness often extends beyond the swelling. [8]
A boil, also called a furuncle, is a deep folliculitis, which is an infection of the hair follicle. It is most commonly caused by infection by the bacterium Staphylococcus aureus, resulting in a painful swollen area on the skin caused by an accumulation of pus and dead tissue. [1] Boils are therefore basically pus-filled nodules. [2]
A peritonsillar abscess (PTA), also known as a quinsy, is an accumulation of pus due to an infection behind the tonsil. [2] Symptoms include fever, throat pain, trouble opening the mouth, and a change to the voice. [1] Pain is usually worse on one side. [1] Complications may include blockage of the airway or aspiration pneumonitis. [1]
Pelvic abscess is a collection of pus in the pelvis, typically occurring following lower abdominal surgical procedures, or as a complication of pelvic inflammatory disease (PID), appendicitis, or lower genital tract infections. [1] Signs and symptoms include a high fever, pelvic mass, vaginal bleeding or discharge, and lower abdominal pain. [1]
A woman recovering from knee surgery suffered a persistent infection of the knee with Pasteurella after her dog licked a small wound on her toe. [62] [63] A dog lick to an Australian woman's minor burn caused sepsis and necrosis due to Capnocytophaga canimorsus infection, resulting in the loss of all her toes, fingers and a leg. [64] [65]
Here's what we know about the tuberculosis outbreak in Kansas right now, plus how the infection spreads. Meet the expert : Thomas Russo, MD, is a professor and chief of infectious disease at the ...
The pus within the abscess is under pressure, and the surrounding tissues are deformed and stretched to accommodate the swelling. This leads to a sensation of throbbing (often in time with the pulse) and constant pain. Pus may be evacuated via the tooth by drilling into the pulp chamber (an endodontic access cavity).