Sinusitis (sinus infection)

Sinusitis

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 sinusitis?

Sinusitis is an infection of the sinuses, the small air-filled spaces in the bones behind the forehead, around the nose and eyes, and under the cheeks. The sinus cavities are lined with membranes that produce mucus.

When the sinuses become infected by a virus or bacteria, the sinus membranes become inflamed and make more mucus than usual, resulting in a blocked or runny nose and blocked sinuses.

Find out more about the causes, symptoms, diagnosis and treatment of sinusitis.

Related information - sinusitis

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(Media release)
01 Aug 2016 An analysis of the evidence in the latest issue of Australian Prescriber suggests antibiotics have very few benefits for treating sore throat and acute sinusitis. Both conditions are common reasons for visits to the doctor.