Plenty of saline drains into every nook and cranny of your sinuses, and when you stand straight up, it drains out with most of the infected snot and pus. During the first treatment, you will see. After
several treatments, your sinuses will resume their normal function, and you will be able to breathe freely through your nose.
If you want to know what causes sinusitis, and why the saline solution works, go to Part II of this journal.