Tonsillitis is an infection or inflammation of the tonsils. The tonsils are balls of tissue on either side of your throat, above and behind your tongue. They are part of your immune system, which helps you fight infection.
|Primary Medical Reviewer||Adam Husney, MD - Family Medicine|
|Specialist Medical Reviewer||Charles M. Myer, III, MD - Otolaryngology|
|Last Revised||December 6, 2012|
WebMD Medical Reference from Healthwise