General practice·General practice
Dry mouth
Informed by recognized medical guidance
Overview
Dry mouth, also called xerostomia, happens when your mouth doesn't make enough saliva to keep it wet. Saliva helps you chew, swallow, taste, and protects your teeth from decay.
Key facts
- Saliva is essential for oral health and digestion.
- Dry mouth can be caused by many things, including medications and medical conditions.
- Simple self‑care steps often help relieve symptoms.
Yes, dry mouth is very common, especially in older adults and people taking certain medicines.
Anyone can get dry mouth, but it is more common in people over 65, those taking multiple medications, and people with chronic health conditions like diabetes or Sjögren’s syndrome.