Tonsillitis


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Definition

Tonsillitis is inflammation (swelling) of the tonsils.

See also: Strep throat


Causes, incidence, and risk factors

The tonsils are lymph nodes in the back of the mouth and top of the throat. They normally help to filter out bacteria and other germs to prevent infection in the body.

A bacterial or viral infection can cause tonsillitis. Strep throat is a common cause.

The infection may also be seen in other parts of the throat. See: Pharyngitis

Tonsillitis is very common, especially in children.


References

Wetmore RF. Tonsils and adenoids.In: Kliegman RM,Behrman RE, Jenson HB, Stanton BF, eds.Nelson Textbook of Pediatrics.19th ed. Philadelphia, Pa: Saunders Elsevier; 2011:chap 375.

Del Mar CB, Glasziou PP, Spinks A. Antibiotics for sore throat. Cochrane Database Syst Rev. 2008:(3):CD000023.

Chan TV. The patient with sore throat. Med Clin North Am. 2010. 94:923-943.


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Review Date: 11/7/2011
Reviewed By: Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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