Dry Mouth is a Common Problem Among Seniors. 

Xerostomia, otherwise known as dry mouth, is a common problem among older adults. The Oral Cancer Foundation estimates that 20 percent of older adults suffer from dry mouth. Dry mouth is also a hidden cause of tooth loss and gum disease in 30 percent of adults. There are many reasons you may have a dry mouth, but for older adults, one significant factor is that dry mouth can be a side effect of many medications. Medications such as blood pressure, decongestants, antidepressants, and pain pills other medications may also cause dry mouth, so if you are experiencing dry mouth issues, be sure to discuss treatment options with your dentist.