Is it harmful to gag on saline nasal irrigation?

If you gag on saline solution or accidentally swallow saline solution during nasal irrigation, don’t worry. Klean&Kare solution is;

1. A 0.9% sodium chloride solution which is isotonic to body fluid.
2. Terminally sterile to ensure sterility.

So it is safe if you accidently gag on or swallow sterile normal saline solution.