I am drinking my remedy to keep allergy symptoms under control. Simply drinking ginger tea helps. Use fresh ginger root, chop it up, simmer in water, and drink. The sinuses not only clear from the hot drink, but ginger's ability to kill germs will help prevent sinus infections that can come when allergies are bad.
Personally I have never had allergies as bad as I do this year. I hear this from many people. Maybe we all need to get together and have an allergy party. Bring our comfort blankets and pillows, put on a good movie, and all sip soothing drinks together. Oh, and if we all bring portable air filters with us and put them on we may not be able to hear the movie or each other speak, but the air will be easy to breath!