A dry mouth is rarely a sign of anything serious. There are things you can do to help ease it yourself. See a GP if these do not work or you also have other symptoms.
The main causes of a dry mouth are:
Sometimes a dry mouth that does not go away may be caused by a condition like diabetes or Sjögren's syndrome.
drink plenty of cold water – take regular sips during the day and keep some water by your bed at night
suck on ice cubes or ice lollies
sip on cold unsweetened drinks
chew sugar-free gum or suck on sugar-free sweets
use lip balm if your lips are also dry
brush your teeth twice a day and use alcohol-free mouthwash – you're more likely to get tooth decay if you have a dry mouth
do not drink lots of alcohol, caffeine (such as tea and coffee) or fizzy drinks
do not use acidic artificial saliva products (like Glandosane aerosol spray) if you have your own teeth
do not have foods that are acidic (like lemons), spicy, salty or sugary
do not smoke
do not sleep with dentures in
do not stop taking a prescribed medicine without getting medical advice first – even if you think it might be causing your symptoms
Ask a pharmacist about treatments you can buy to help keep your mouth moist.
You can get:
Not all products are suitable for everyone. Ask a pharmacist for advice about the best one for you.
If your dry mouth might be caused by a blocked nose, a pharmacist may suggest decongestants to unblock it.