Non-allergic rhinitis is an extremely frustrating sino-nasal disorder that is characterized by all the same symptoms of sinusitis and allergies, but NOT due to sinusitis or allergies. Rather, I consider non-allergic rhinitis to be the over-sensitive nose syndrome whereby breathing in air containing particulates (whether smoke, perfume, dust, pollen, etc) PHYSICALLY irritates the nose causing symptoms. This is in contrast to allergies where the pollen causes an immunologic reaction causi…