A friend of mine has kidney issues that they are working to prevent the need for dialysis. She has been told she can use nothing over the counter. S

There are no drugs in Sinus Rinse. It is simply USP grade sodium chloride and sodium bicarbonate (salt and baking soda). You must use distilled, commercially bottled, previously boiled and cooled, or filtered through 0.2micron filter water. If unsure, please speak with your friend's physician for any other condition-related considerations.