Nasal polyp surgery removes polyps from the paranasal sinuses. These polyps are growths found in the sinus areas, including the maxillary, ethmoid, frontal, and sphenoid sinuses, although not all ...

Drink up to keep sinus membranes well hydrated. Avoid outdoor exercise at peak pollution hours. And bathe your pet and clean your home regularly to keep allergies from clogging your sinuses.