Nasal inflammation and only get congested in one nose never both i tried medicine but does not work only prednisone workedbut not sure if infection?

Nasal Allergy: Typical symptoms of environmentally triggered allergy are nasal congestion, sneeze, and or itch. One sided nasal congestion relieved with Prednisone suggests that you may have allergies. Typically to dust mites, and how you are exposed to them while asleep. Thus, a nasal steroid nose spray may help relieve symptoms on a chronic basis. However, you should seek help from an allergist.