[header] How to cope with dry mouth [title] Drink plenty of water. [step] Dehydration is one of the most common causes of dry mouth. Sipping water can also help to relieve dry mouth when it is caused by disease or as a side effect of medication. 
[substeps] Doctors recommend drinking eight to twelve 8-ounce glasses of water each day to keep hydrated. Drinking too much water, however, can actually dissolve the mucus lining of the mouth and worsen the symptoms of dry mouth.