New Insights Into Nasal Saline

In-between nasal surgery cases today in the operating room, my resident asked me why the standard over-the-counter isotonic nasal saline preparation said .65% saline, rather than .9% saline.   The normal salt concentration in our bodies is 0.9%, which can also be mimicked by adding 9 grams of salt into 1 liter of water. This […]