Nasal congestion and sinus pressure have many causes: colds, flu, allergies, to name a few. Whatever’s triggering them, the symptoms can be a pain -- literally. The sinuses are air spaces within bone that branch off of your nasal air passage. It is a common mistake to blame sinus problems to allergies, there are many other things that can cause sinus problems. It is always better to get a proper diagnosis to get the right kind of relief. A few of the Nasal conditions are Allergies, Viral Infections, Acute Bacterial Sinus Infections, Chronic Bacterial Sinus Infections and Nasal Septal Deviations.