What causes blocked sinuses?
Blocked sinus passages occur from a number of causes of obstruction. Most commonly, the sinus passages temporarily block up due to swelling from a common cold or allergies such as hay fever. Certain anatomic situations cause distinct blockage, such as a deviated nasal septum, a broken nose, nasal polyps, or enlarged turbinates (tissues in the nose that filter the air). The nasal septum is a partition made of cartilage and bone that separates the right and left sides of the nose. It is commonly deviated or bent due to heredity or a broken nose, causing blocked breathing and sinusitis. What are the signs and symptoms of sinusitis? • Thick drainage from the nose – The infected mucous is thicker, secreted in large amounts, is often yellow, and can be foul smelling. • Headache and sinus pain – Blockage of the sinuses during an infection causes pus and mucous to become trapped in the cavities, pressure cannot be equalized, and this can cause severe facial pain, headache, toothache, and gener
