DEAR MAYO CLINIC: I have had ongoing nasal congestion and mucus for the past several months. I thought it was allergies, but my doctor says I likely have acute sinusitis brought on by allergic ...

Sinuses are interconnected, hollow spaces located in the skull that connect to the nasal passages. They help filter the air we breathe and act as another level of immune defense. Sinuses are lined ...

Tis the season for sinus infections. During the winter months, drier air — whether outside or in our cozy heated homes — causes the mucus lining in the nose to dry out and thicken, resulting in ...

Wondering if you have a cold or a sinus infection? Doctors explain the key differences between them and treatment options for ...

Leg weakness is not a typical sinus infection symptom. However, people may experience general fatigue or weakness. Leg weakness with a sinus infection may also be a sign of another underlying ...

Sinus headaches and pressure, nasal irritation and related symptoms, as well as sinusitis are common issues affecting patients in primary-care practices. These symptoms may be attributable to weather ...

Nasal congestion, pain, and pressure that lasts over 3 months could be chronic sinusitis. Viruses, allergens, and respiratory or immune conditions can raise your risk of chronic sinusitis. Treatments ...

Sinus infections, also known as sinusitis, can leave us feeling miserable with symptoms like nasal congestion, facial pain and headaches. But beyond the discomfort, many people like you worry about ...

Swollen sinuses can occur for many reasons, including a viral infection, such as a cold. However, it is unclear whether SARS-CoV-2, the virus that causes COVID-19, can also have this effect. Telling ...

If you are plagued by sinus problems, take a moment to consider these valuable parts of your head. What can turn good sinuses into problem sinuses? Your sinuses are hollow air spaces within the bones ...