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 ...

It’s that time of year again, when everyone’s fighting a cold and blowing their nose. Maybe you’ve found yourself having sinus struggles, or you’ve noticed your boogers don’t look “normal.” Whatever ...

A medical professional has revealed what different shades of nasal mucus could indicate about your health, and when it's ...

Dear Doctors: Can you please talk about sinusitis? I’ve been having headaches and postnasal drip for a few months, and I thought it was because of my allergies. But my brother, who is a nurse, thinks ...

The inflammation and buildup of mucus that occurs in a sinus infection can block the tubes. This type of blockage is known as obstructive eustachian tube dysfunction.

When you're struck by a head cold, flu or allergies, symptoms can quickly intensify as congestion travels to the sinuses. The result: Swelling that feels like a pressure cooker inside your head, with ...

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 ...

The sinuses are four hollow spaces on both sides of your face and head. They're connected by narrow channels that allow air and fluids to flow between your nose and throat. If you have inflammation in ...

Dear Doctors: I saw my dentist for pain in an upper molar, but the X-ray was normal. My nose was also plugged up, and she said it might be my sinuses. I started doing a saline rinse, and after a few ...

DEAR DOCTORS: I saw my dentist for pain in an upper molar, but the X-ray was normal. My nose was also plugged up, and she said it might be my sinuses. I started doing a saline rinse, and after a few ...

Dear Doctors: I saw my dentist for pain in an upper molar, but the X-ray was normal. My nose was also plugged up, and she said it might be my sinuses. I started doing a saline rinse, and after a few ...