Re: over one year "sinus" problems... please help!
I had similar symptoms to you some years ago and was prescribed SUDAFED by an ENT Specialist. You can buy this without prescription where I live in either liquid/tablet form.
I keep this by me all the time and have found it really helpful in Sinus/Cataarh problems.
Another thing I found very good was "Accupuncture" though you do need a few treatments, but after three I could breathe right down to my shoes.
Hope this helps and good luck,