Dear Dr. Roach: At age 76, I was diagnosed with sinus node dysfunction last year after several episodes of what I'd call being "spaced out" (for lack of a better term). I couldn't explain these ...

Your sinuses are air-filled pockets that are located behind your face. When fluid builds up in your sinuses, germs like viruses and bacteria can multiply and lead to a sinus infection. COVID-19 is a ...

Sinuses are air-filled structures in your head that serve many purposes. They create a mucus that moisturizes the inside of your nose. Additionally, sinuses affect the way your voice sounds and act as ...

A fungal sinus infection, also called fungal sinusitis, is when fungus causes an infection of the sinuses. The sinuses are air-filled cavities in the head that produce mucus (snot), which drains out ...