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How long dry mouth (xerostomia) lasts depends on what's causing it. If your medication is giving you dry mouth, it will go away once you stop the drug. If you need to take the medication for a chronic condition, talk to your doctor about alternatives that don't have the same side effect. Chemotherapy and radiation therapy for cancer can cause dry mouth. When the treatment stops, dry mouth usually goes away. Conditions that affect the salivary glands and cause dry mouth, such as Sjögren's syndrome, are usually lifelong.
Everyone’s mouth can be dry sometimes. If you feel like your mouth is always dry, it may be time to seek treatment. A dentist will check your teeth for signs of decay that can result from decreased salivary flow. A physician will test for any underlying disease or conditions that may be causing your dry mouth.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.