Sinus infections themselves aren’t contagious, but the viruses that cause most of them are. Viral sinus infections often follow colds or flu, which spread through respiratory droplets when someone ...
Sinus infection (sinusitis) is an infection that occurs in the sinuses, which are air-filled spaces lined with mucous membranes in the forehead, cheeks, and around your nose. Sinusitis occurs when ...
The drainage passageways of the sinuses into the nose can get blocked and fluid can accumulate in the sinuses, causing pressure. Many things can cause sinus pressure and pain, such as sinus infections ...