A dry, sticky mouth can make everyday things such as eating and talking uncomfortable. Occasional dryness can happen to anyone, but persistent symptoms deserve attention. Finding the cause matters as much as getting temporary relief.
What is dry mouth?
Dry mouth is also called xerostomia. Saliva helps lubricate food, keep the mouth comfortable and protect teeth. When there is too little saliva, or your mouth feels persistently dry, chewing and speaking can become more difficult.
Less saliva also means less natural protection against tooth decay and some mouth infections. Persistent dryness is not something you have to accept as a normal part of getting older.
Possible causes
Some medicines cause dryness as a side effect. Other possible contributors include dehydration, mouth breathing, anxiety and certain cancer treatments. Conditions such as diabetes or Sjögren’s disease can also be involved.
Tell your dentist or GP when the symptoms started and bring a list of your medicines. Do not stop prescribed medication yourself. The prescribing clinician can decide whether an adjustment is suitable.
Symptoms worth mentioning
You may notice a sticky feeling, a dry throat, cracked lips, altered taste or a burning sensation. Dentures may feel less comfortable when the mouth is dry.
Tell your clinician about sore areas, repeated infections or difficulty eating. Dryness can contribute to swallowing discomfort, but coughing or choking during meals needs assessment rather than assuming dry mouth is the only cause.
Ways to ease discomfort
- Take small, regular sips of plain water. Follow any fluid restriction your medical team has given you.
- Sugar-free gum may help stimulate saliva if you can chew and swallow safely. It may not suit every denture wearer.
- Ask a pharmacist or dentist about a suitable saliva substitute, gel or spray. Avoid acidic products if you have natural teeth.
- Reduce alcohol, tobacco and frequent sugary or acidic drinks. Limit caffeine if it worsens your symptoms.
- Choose moist foods if dry foods are uncomfortable, and seek advice if eating is becoming difficult.
Protect your mouth and get the cause checked
Keep up gentle daily cleaning and use fluoride toothpaste on natural teeth. Clean dentures carefully and generally remove them at night unless your clinician has advised otherwise. Your dentist can tailor preventive care to your risk of decay.
Arrange a dental or GP appointment if dryness persists despite simple measures, affects eating or speaking, or comes with a painful mouth, white patches, dry eyes or frequent urination. A review can help identify the cause and choose a suitable plan.
Frequently asked questions
Answers to common questions about dryness and mouth care.
Is dry mouth just part of ageing?
No. Medicines and health conditions become more common with age, but ongoing dryness should still be assessed.
Can my medicine cause dry mouth?
Some medicines can. Check the leaflet and discuss symptoms with the prescribing clinician. Do not stop the medicine yourself.
Is sparkling water the best remedy?
Plain water is a sensible first choice. Fizzy or acidic drinks are not a universal treatment for dry mouth, especially when teeth need protection.
Can dry mouth affect my dentures?
Yes, dryness can make wearing dentures uncomfortable. Ask your dental team to check both your mouth and the denture’s fit.
Should I use chewing gum if swallowing is difficult?
Do not use gum or hard sweets if they pose a choking risk. Ask your clinician for safer ways to manage dryness.
When should I seek help?
Seek advice for persistent dryness, painful or sore areas, changes in taste or difficulty eating. Coughing or choking when swallowing also needs medical assessment.
Further reading: Dry mouth (NHS) and Dry mouth and saliva (NIDCR).
Get help with persistent dry mouth
Our team can assess your oral health and advise on protecting your teeth and keeping your mouth comfortable.