Persistent dry mouth can sometimes be linked with diabetes or high blood sugar. When blood sugar is high, the body may produce more urine to remove excess glucose. This can lead to dehydration, thirst, and dry mouth.
The source article lists diabetes or blood sugar issues as a possible cause of persistent dry mouth, especially when it appears with frequent urination, increased thirst, and fatigue.
Dry mouth alone does not mean diabetes. But if you also wake up to urinate often, feel extremely thirsty, feel unusually tired, have blurry vision, slow-healing cuts, or unexplained weight changes, ask a healthcare professional about blood sugar testing.
7. Smoking and Alcohol Use
