Tonsillitis (infection of the tonsils)

Sinus infection Infection of the pharynx Infection of the large airways Middle ear infection Infection of the tonsils Infection of the voice box Infection of the small airways Lung infection

Click on the name of the infection in the image above to find out more about the symptoms, diagnosis and treatment of these respiratory tract infections.

What is tonsillitis?

Tonsillitis is an infection of the tonsils, which are found at the back of your throat. Your tonsils play a role in helping fight infection in the nose, throat and sinuses. Even though the tonsils fight infection, the tonsils themselves can become infected.

Tonsillitis is most common in young children, but anyone can get it.

Find out more about the causes, symptoms, diagnosis and treatments of tonsillitis.

Latest information - tonsillitis

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What causes tonsillitis?
(Condition)
22 Jun 2012 – Tonsillitis is often caused by the same bacteria that cause a sore throat, but it can also be caused by viruses, such as the flu. Learn more about tonsillitis.