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Alternative Names Return to topQuinsy; Abscess - peritonsillar
Definition Return to top
Peritonsillar abscess is a collection of infected material in the area around the tonsils.
See also: Retropharyngeal abscess
Causes Return to top
Peritonsillar abscess is a complication of tonsillitis. It is most often caused by a type of bacteria called group A beta-hemolytic streptococcus.
Peritonsillar abscess is generally a disease of older children, adolescents, and young adults. It has become relatively uncommon since the use of antibiotics to treat tonsillitis.
Symptoms Return to top
One or both tonsils become infected. The infection may spread over the roof of the mouth (palate), and to the neck and chest, including the lungs. Swollen tissues may block the airway, which is a life-threatening medical emergency.
The abscess can break open (rupture) into the throat, infecting or further blocking the airway.
Symptoms of peritonsillar abscess include:
Exams and Tests Return to top
An examination of the throat and neck may reveal redness and swelling of one or both tonsils, the throat, neck, and chest.
The following tests may be done:
Treatment Return to top
If bacteria is causing the infection, you will be given antibiotics. Painkillers may be prescribed, if needed.
The abscess will need to be drained. This requires surgery. Surgery to remove the tonsils (tonsillectomy) may be done.
Outlook (Prognosis) Return to top
Peritonsillar abscess usually goes away with treatment, although the infection may return in the future.
Possible Complications Return to top
When to Contact a Medical Professional Return to top
Call your health care provider if you have had tonsillitis and you develop symptoms of peritonsillar abscess.
Call your health care provider if you have:
Prevention Return to top
Quickly and completely treating tonsillitis, especially bacterial tonsillitis, may help prevent an abscess.Update Date: 10/10/2008 Updated by: Alan Lipkin, MD, Otolaryngologist, Private Practice, Denver, Colorado. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.