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Dry mouth, also called xerostomia, is when your mouth does not make enough saliva (spit). Saliva helps you swallow, talk, and protects your teeth and gums.
Key facts
Yes, dry mouth is very common, especially among older adults and people taking multiple medicines.
It can affect anyone, but it is more frequent in older adults, people with certain health conditions (like diabetes or Sjögren's syndrome), and those receiving radiation therapy for head or neck cancer.
Your doctor or dentist will ask about your symptoms, check your medicines, and examine your mouth. They may also do simple tests to measure saliva flow.
The doctor will discuss your overall health and may refer you to a dentist or a specialist like a rheumatologist if an underlying condition is suspected.
Treatment focuses on what is causing your dry mouth and on relieving your symptoms. This can include adjusting medicines, using saliva substitutes, and practicing good oral care.
Keep a water bottle handy. Use lip balm to prevent chapped lips. Choose moist or soft foods, and avoid very dry, spicy, or sugary foods. See your dentist regularly to prevent cavities.
You cannot always prevent dry mouth, but you can lower your risk by drinking enough water, avoiding tobacco and too much alcohol, and staying on top of any health conditions you have.
With proper self-care and medical support, most people can manage dry mouth well. It rarely leads to serious problems, but it's important to see your doctor if it doesn't improve.
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Always verify with your doctor
Health guidelines vary by country and region. The information in this article is based on international clinical guidelines but may not reflect the specific guidelines, medications, or practices in your country. Always discuss your health concerns with your own doctor or healthcare provider, and refer to your local national health guidelines where available.
Important notice This information is for educational purposes only. It does not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider about your specific situation. If you are experiencing a medical emergency, call your local emergency services immediately.
This article is educational and is prepared with reference to recognized health information and clinical guidance sources where available. Specific source links may vary by topic.
Last updated: July 9, 2026
Educational note: This information is for education only and is not a diagnosis.
Use it to support, not replace, advice from a licensed clinician.
If symptoms are severe, worsening, or urgent, call your local emergency number or seek emergency care.
A doctor or dentist may prescribe artificial saliva sprays, gels, or lozenges. They can also recommend medications that help your salivary glands produce more saliva. If a medicine is causing the problem, your doctor might adjust the dose or switch to a different one.
Surgery is rarely needed. In very rare cases, a blocked salivary gland may require a procedure to open it.
Eat soft, moist foods like soups, yogurts, and stews. Add sauces or broths to meals. Avoid crunchy, dry snacks. Gentle exercise is fine, but remember to drink water before, during, and after.
Dry mouth can feel frustrating and affect your confidence, especially when talking or eating. It's normal to feel worried. If you feel sad or anxious, talk to your doctor. You are not alone.