High blood sugar levels can contribute to dry mouth by reducing saliva flow and increasing fluid loss through frequent urination. It may also be accompanied by increased thirst.
6. Smoking or Alcohol Use
Smoking can affect saliva glands, while alcohol can dehydrate the body. Both habits are known to worsen dry mouth symptoms, especially at night.
7. Salivary Gland Issues
Problems with the salivary glands, such as infections or blockages, can reduce saliva production and cause persistent dryness in the mouth.