Yes, from what little I read after receiving your answer it indicated there are benefits and risks, as with everything pretty much, and especially with kidney disease.
However, I would think it is a good thing to have a full discussion of it...or any time we are given medical information, in particular, for complete communication......... when we can.
I myself was concerned with the nebulizing treatment due to the sodium and did realize and think it might affect the kidneys. Drinking water helps loosen the mucus and also flushes out sodium so again with hydrating, that is also necessary, we have to pay attention to our body and systems to know if there is a change when doing something new or long term. I have had to somewhat increase my sodium due to flushing it out with hydration. I eat salted nuts and seeds to help with that and then have to be careful how much I eat. All things are truly a delicate balance.
Sorry to hear you also have a diagnosis of Kidney Disease. Hope you are having a good day.
Barbara