Lots of things can contribute to a chronically dry mouth, but medications are the main culprit. More than 500 prescription and over-the-counter (OTC) drugs affect how your salivary glands work. If ...

Dry mouth, or xerostomia, occurs when there is not enough saliva (or "spit") to lubricate the tongue, gums, and inside of the cheeks. Saliva is critical for chewing, swallowing, digestion ...

Follow all directions on the product package for using this medication correctly. The dosage is based on your medical condition and response to treatment. To relieve dry mouth, use this medication ...

When taken by mouth: N-acetyl cysteine is likely safe for most adults. N-acetyl cysteine is an FDA-approved prescription drug. It can cause side effects such as dry mouth, nausea, vomiting ...