Swollen sinuses can occur for many reasons ... Because COVID-19 is a respiratory infection, it may affect the nose and sinus cavities in a similar way to other respiratory viruses.

A sinus infection, also known as sinusitis or rhinosinusitis, occurs when your nasal cavities become swollen and inflamed. Fluid buildup in the sinuses can allow germs to grow, leading to a sinus ...

Sinus congestion doesn’t have a one-size-fits-all treatment. You can try massage or antihistamines. Find other suggestions ...

A 64-year-old woman in Minneapolis, Minnesota The symptoms: The patient visited a medical clinic to seek care for her chronic ...

Microbes—usually bacteria or viruses—cause inflammation of the mucus membranes that line your nasal cavity, resulting in irritation and swelling. Inflammation of your nose might increase your ...

Chronic rhinosinusitis is inflammation of the sinuses and nasal passages that lasts at least 12 weeks. It causes ongoing symptoms, such as stuffy nose and facial pain or pressure. Although the ...

These soft pieces of swollen tissue hang like grapes on a vine. They grow inside your sinuses or nasal cavity, the area behind your nose. Nasal polyps are often linked to other conditions.

and objective change in inflammation inside the sinus cavities, as measured by the change in average of percentages of volume occupied by disease across the ethmoid and maxillary sinuses as ...

the pair of sinus cavities located behind the cheekbone. “When these sinuses become inflamed by colds or flu, pressure builds up. This can irritate the nerves of the teeth to produce pain,” he ...