It may not be as effective, but the medication you can use is more effective than the one you can't.

I'm not sure the spray version was even discussed with me, so it's certainly worth a shot! Thank you

I'm impressed, in that sort of horrified way, that you get so many sinus infections despite the twice-daily rinsing habit.

I believe it is selkie who said that the basic problem here is that I was not designed to breathe air.