It does. Dries me right up and shrinks the tissues in the sinuses. A plus is that the corticol steroids make all of my other aches and pains go away for a month or so. I feel 20 years younger! As an aside I get so congested that when I blow my nose air comes comes out tear ducts! Very unpleasant...I have MINOR seasonal allergy issues, so I was unaware of that shot. Does it help?