What to know
Chronic dry mouth occurs when you don't produce enough saliva. Dry mouth can lead to cavities, periodontal disease, and tooth loss. The condition can be a side effect of more than 400 prescription and over-the-counter drugs, such as antidepressants, antihistamines, and high blood pressure medicines. Other causes include cancer treatments and hormone changes during menopause. These seven tips can help you protect your teeth.