I know you're looking for non-medicine remedies, but just in case you're willing to try another type of medicine - guafenisen works wonders for me. I have chronic sinusitis and get at least 5 sinus infections/year. You can buy it in liquid form (Robitussin - just the regular one, not DM, CF, etc) or now in pill form - Mucinex. If I start feeling pressure or like I'm coming down with an infection, I start taking it and it relieves the pressure and gets the fluids moving. Good luck!