Peritonsillar abscess is a bacterial infection. It develops on the side of the throat, behind or above the tonsils. The infection causes a pocket of pus to form. This type of abscess usually happens on 1 side of the throat or the other.
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The abscess is caused by bacteria. It is usually a complication of another illness, such as strep throat.
It is more common in males and people 20-40 years old.
Factors that may increase your chances of developing peritonsillar abscess include: Strep pharyngitis or tonsilitisPharyngitis or tonsilitis caused by other bacteriaMononucleosisRecent throat infection or dental infectionPeriodontal diseaseSmoking
Symptoms may include: Pain in the throat around the tonsil areaTonsil that is moved to one sideFeverDrooling and trouble swallowingBad breathSpasm of the jaw muscleDiscomfort in the uvula and soft palate—the tissue at the roof of the mouthSore and swollen neck glands
You will be asked about your symptoms and medical history. A physical exam will be done.
You may need to have tissue tested. This can be done with needle aspiration.
You may need to have pictures taken of the inside of your neck. This can be done with:
UltrasoundCT scanMRI scan
Talk with your doctor about the best treatment plan for you. Treatment may include:
Rest and drink plenty of fluids.
Antibiotics will be prescribed to treat the infection. Antibiotics can be given in pill form or through an IV. Pain relievers may also be advised.
The abscess may be punctured with a needle. Fluid will be removed. A sample will be sent to the lab for testing. This procedure can be done in the doctor’s office.
An incision and drainage procedure may be done. While under sedation, a small cut will be made in the abscess. The fluid will be drained.
A tonsillectomy may be recommended
if all other treatments fail. This involves removing the affected tonsil.
This may also be done if you have had previous peritonsillar infections.
To help reduce your chances of getting peritonsillar abscess, take the following steps: If you have a throat infection, see your doctor. This is especially important if you have severe or chronic throat infections.If you smoke, talk to your doctor about ways to quit.
Dunn N, Lane D, Everitt H, Little P. Use of antibiotics for sore throat and incidence of quinsy.
Br J Gen Pract. 2007 Jan;57(534):45.
Peritonsillar abscess: diagnosis and treatment.
Am Fam Physician. 2002;65(1):93-97. Available at:
http://www.aafp.org/afp/2002/0101/p93.html. Accessed February 16, 2016.
Last reviewed February 2016 by Michael Woods, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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