Xerostomia

Xerostomia is dryness of the mouth due to lack or absence or saliva. This can lead to deterioration in oro-dental state and in the gastrointestinal system.

Causes of xerostomia

Xerostomia has many different causes. In particular these include:

• side effects of some medicines or some therapies (radiotherapy);
• some diseases (for example Sjögren's syndrome);
• excessive anxiety;
• smoking ;
• dehydration, etc.