I always keep some of this around. Like most of those things, you'll get a bit of "rebound" congestion (ie: the tissue swells once you get used to the spray an

I always keep some of this around. Like most of those things, you'll get a bit of "rebound" congestion (ie: the tissue swells once you get used to the spray and stop using it) but I find if I only use it for sleep and only a few times a month when it's worst, I don't run into any issues.