sleep quality.
When Dry Mouth Could Signal a Bigger Problem
While occasional mouth dryness is common and manageable, persistent or severe xerostomia can sometimes be the first visible sign of an underlying medical condition. Do not ignore dryness of the tongue and mouth that is chronic, unexplained, or worsening, particularly if it appears alongside any of the following:
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Diabetes (Type 1 or Type 2): High blood sugar causes increased urination and dehydration, which directly reduces saliva production. Persistent dryness of mouth, combined with frequent thirst, blurred vision, or fatigue, warrants a blood glucose check.
Sjögren’s Syndrome: This autoimmune condition specifically targets the salivary and tear glands. It is among the most common causes of mouth dryness with no obvious lifestyle explanation. It predominantly affects women and often goes undiagnosed for years.
HIV/AIDS: Oral dryness is a frequently reported symptom, partly due to the condition itself and partly
