Dry Mouth - Signs, symptoms and ways to manage a dry mouth
Patient Information Leaflet
Why is saliva important?
- It keeps your mouth moist.
- It helps you swallow and speak.
- It helps protect your teeth from tooth decay.
- It contains substances that help fight harmful germs.
- It contains minerals that help keep tooth enamel strong.
What can cause a dry mouth?
- Not enough water in the body
- Dehydration means your body does not have enough water.
- This can happen with fever, heavy sweating, vomiting, blood loss or burns.
Medicines

- Many medicines can cause a dry mouth as a side effect.
- These include some medicines for depression, nerve pain, high blood pressure, anxiety, allergies, blocked noses, muscle problems and pain.
Health conditions
- Some health conditions can cause a dry mouth.
- These include diabetes, cystic fibrosis, rheumatoid arthritis and Sjögren's syndrome. Sjögren's syndrome can cause a dry mouth and dry eyes.
What might a dry mouth feel or look like?

- Your mouth feels dry.
- Eating, swallowing or speaking may hurt.
- You may have a burning feeling in your mouth.
- You may have less saliva, or saliva that is frothy or stringy.
- Your lips or tongue may be dry or cracked.
- You may get fungal infections in your mouth.
What can I do to help?


- Take small sips of cold water.
- You can suck ice chips if this is safe for you.
- Try a water-based mouth gel or spray.
- A non-foaming toothpaste may help.
- Ask a dentist or pharmacist if you are not sure which toothpaste to use.
- Try to avoid foods that are acidic, spicy, salty or sugary.
- Brush your teeth twice a day for 2 minutes with fluoride toothpaste.
- Spit out the toothpaste but do not rinse with water.
- Cut down on sugary food and drinks.
- Choose water or plain milk instead.
- Have regular dental check-ups.
Can I use community dental services?
- People with high dental needs may be referred to Whittington Health Community Dental Services.
- Please check the service website for the latest information about who can use the service and how to get a referral.
Get more information
- Whittington Health Community Dental Services: https://www.whittington.nhs.uk/default.asp?c=10989
Contact our service
- Call Community Dental Services on 020 3316 8353.
Published:
13 Oct 2026
Review:
13 Oct 2028
Reference:
SC/Dent/DryMouth/02

