Basic purpose of this article is to analysis some interesting Causes of Sinus Blockage. Sinus can be extremely persistent and annoying, nonetheless, to know what causes it might be able to help in avoiding this specific nasty misery. Sinus is a cavity sack or cluster of tissues that is caused by the degradation of tissues. The body has air cavities connecting on the nose, which when blocked can build up germs and bacteria and cause the nasal membrane linings for being infected. Although surprisingly almost all of the causes for sinus blockage are standard yet tricky, it is additionally avoidable with little understanding. Like: Viruses, Allergens and Pollutants, Bacteria, Polyps, Swimming, Flights, Fungi, Overusing Nasal Products, Smoking, Dry Air etc.