watch 01:25
Jurassic World: Dominion Dominates Fandom Wikis - The Loop
Do you like this video?
Play Sound
Sinusitis is an inflammation or swelling of the tissue lining the sinuses. Healthy sinuses are filled with air. But when they become blocked and filled with fluid, germs can grow and cause an infection. Conditions that can cause sinus blockage include: The common cold.
