A dry mouth can be uncomfortable and affect your overall oral health. Understanding the causes and taking steps to prevent it can help keep your mouth moist and your smile healthy. Dry mouth causes • Dehydration • High-stress levels • Problems with salivary glands • Radiation treatment for mouth cancer • Medications How to treat dry mouth? • Manage stress levels. • Increase water intake. • Identify and treat the problems with salivary glands. • Consult the doctor and get alternate medications. Watch Dr. Vijayalakshmi Padmanaban of Kauvery Hospital, one of the best dentists in Chennai, share tips on managing and preventing dry mouth.