i had a staph infection in my nose earlier this year. Even a specially formulated nose drops didn't eradicate it completely. ( couldve been from coke too, was doin a lot of it at the time). I use herbs for most ailments so I did some research. Here's what will help almost instantly:
get some garlic, crush it, and wait about 5-10 minutes (this activates the allicin which is what gives it antibacterial/antiviral properties). all you need to do is breathe in the vapors from the garlic for a while. It was also suggested you can add a little crushed garlic into a netipot and run the garlic water through your sinuses. Give it a shot, garlic is super powerful. and it doesn't kill the good bacteria in your stomach like traditional antibiotics do (which can lead to candida).