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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]
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.
However, staph infections are still prominent and a cause for concern among healthcare professionals, especially new antibiotic-resistant strains. In the U.S., the incidence of staph infection is around 38.2 to 45.7 per 100,000 person-years, whereas other First World countries have an average incidence rate of 10 to 30 per 100,000 person-years.
Streptococcal pharyngitis, also known as streptococcal sore throat (strep throat), is pharyngitis (an infection of the pharynx, the back of the throat) caused by Streptococcus pyogenes, a gram-positive, group A streptococcus. [9] [10] Common symptoms include fever, sore throat, red tonsils, and enlarged lymph nodes in the front of the neck.
When pus forms, the pressure increases, with increasing pain, until it spontaneously drains and relieves the pain. When pus drains into the mouth, a bad taste and smell are perceived. Usually drainage occurs via the periodontal pocket, or else the infection may spread as a cellulitis or a purulent odontogenic infection .
[1] [14] [15] Their tonsils – and often the back of the throat – appear red and swollen, and sometimes give off a white discharge. [1] [15] [16] Some also have tender swelling of the cervical lymph nodes. [1] [15] Many viral infections that cause tonsillitis will also cause cough, runny nose, hoarse voice, or blistering in the mouth or ...
Retropharyngeal abscess (RPA) is an abscess located in the tissues in the back of the throat behind the posterior pharyngeal wall (the retropharyngeal space).Because RPAs typically occur in deep tissue, they are difficult to diagnose by physical examination alone.
Mouth infections spread from the root of the infected tooth through the jaw bones and into potential spaces between the fascial planes of surrounding soft tissue, eventually forming an abscess. These potential spaces are usually empty, but can expand and form a pocket of pus when an infection drains into them.