Relief from symptoms of acute and chronic dry mouth can be found with Lubricity oral spray, .5oz. Dry mouth can be caused from cancer treatments, sjogrens syndrome, anesthesia, nerve damage, snoring, stress, anxiety, many types of medications, many types of treatments for diseases and disorders, and other problems. Most consumers use 3-5 sprays after meals and before sleep depending on need and severity. Optimal effectiveness will be achieved after 72 hours of use as directed. Your mouth and throat can feel soothed and hydrated again.