Do a bit of research on the term "xerostomia", then go see your dentist and/or ent.
is treatable and does reduce your quality of life
in dramatic ways. First things first, drink plenty of water daily and avoid caffeine
in any form (coffee, tea, sodas, etc). Do not smoke! wine is also a diuretic
and will dry your mouth and body, sorry! if this doesn't work, your dmd will help further.