The treatment for dry mouth, also known as xerostomia, depends on the underlying cause.

Dry mouth, also known as xerostomia, can be caused by a variety of factors.

Dry mouth, also known as xerostomia, is a condition in which the mouth produces less saliva than normal. Saliva is important for maintaining good oral health because it helps to wash away food particles, neutralize acids produced by bacteria in the mouth, and prevent infections.