I have a very dry mouth and dry eyes?

Need Consultation. This is a sign of systemic problems. Get checked out.
Dry mouth. If your eyes and mouth feel as dry as a desert, there are many possible causes, such as bad air quality and certain medications. But if you have long-lasting, uncomfortable dryness in your eyes and mouth, along with fatigue or pain and swelling in some of your joints, you may have a condition called sjögren’s syndrome. See your physician to do several tests to make a diagnosis.