Dry mouth, also known as xerostomia, occurs when the salivary glands in the mouth do not produce enough saliva to keep the mouth wet or stop producing it altogether
. There are several possible causes of dry mouth, including side effects of some medications, health conditions such as diabetes, stroke, and Sjögren's syndrome, dehydration, and radiation therapy to the head and neck
. Other factors such as aging, snoring, and breathing through the mouth can also contribute to dry mouth
. It's important to maintain good oral hygiene and seek medical advice if you experience persistent dry mouth symptoms, as it can have an impact on your general health and the health of your teeth and gums
