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 ...

Allergies and sinus infections have overlapping symptoms, but are caused by different things. Allergies happen when your immune system reacts to something harmless, like pollen or dust, as if it's ...

Axial CT scan through the ethmoid sinuses revealing complete opacification of the right anterior and posterior ethmoids as well as the right sphenoid sinus. The hyperdensities are evident within ...

EAST PROVIDENCE, R.I. (WPRI) — It’s the time of year when people start turning on the heat, but the transition to dryer air can have some negative effects on your sinuses. Dr. Paul Larson ...

Nasal endoscopy is a procedure to look at the nasal and sinus passages. It’s done with an endoscope. This is a thin, flexible, or rigid tube with a tiny camera and a light. An ear, nose, and throat ...