A saline nasal spray is a mixture of sterile water and 0.9% sodium chloride (salt) that you can spray up your nostrils to flush out pollen, dust, and other allergens from your nasal passages (the ...

kidney or liver disease by removing excess salt and water through the urine. In this clinical trial called RSQ-777-02, researchers explored a new nasal spray form of bumetanide in healthy adults.

Here's the lowdown from allergy doctors on how to get relief, from which medicines to use — and how to best use them — to ...