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A DiabetesTeam Member asked a question 💭
Durbanvile, Cape Town
July 25, 2025
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DiabetesTeam

Yes, having a dry mouth and tongue during sleep can be a symptom of Type 2 diabetes. This is a common experience among people with diabetes, though it may seem counterintuitive since excessive thirst is also a diabetes symptom.

When you have diabetes, your saliva can contain higher amounts of sugar. This, combined with Show Full Answer

Yes, having a dry mouth and tongue during sleep can be a symptom of Type 2 diabetes. This is a common experience among people with diabetes, though it may seem counterintuitive since excessive thirst is also a diabetes symptom.

When you have diabetes, your saliva can contain higher amounts of sugar. This, combined with high blood sugar weakening white blood cells, can lead to mouth infections and dry mouth conditions. Managing this condition is important because dry mouth can:
- Make it harder to swallow
- Increase risk of oral infections
- Lead to fungal infections like oral thrush
- Affect your overall oral health

If you're experiencing persistent dry mouth during sleep, it's important to discuss this with your healthcare provider as it could indicate your diabetes management needs adjustment.

July 25, 2025

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