Peritonsillar abscess

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Lymphatic system

Throat anatomy

Quinsy; Abscess - peritonsillar

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:

• Chills
• Difficulty opening the mouth, and pain with opening the mouth
• Difficulty swallowing
• Drooling or inability to swallow saliva
• Facial swelling
• Fever
• Headache
• Muffled voice
• Sore throat (may be severe and is usually on one side)
• Tender glands of the jaw and throat

An examination of the throat often shows swelling on one side and on the roof of the mouth.

The uvula in the back of the throat may be shifted away from the swelling. The neck and throat may be red and swollen on one or both sides.

The following tests may be done:

• Aspiration of the abscess
• CT scan

Review Date: 11/23/2010
Reviewed By: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine; and Seth Schwartz, MD, MPH, Otolaryngologist, Virginia Mason Medical Center, Seattle, Washington. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).

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