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Because high blood sugar causes fluid loss through urine, it can lead to dehydration. This often triggers an increased feeling of thirst. If you’re constantly reaching for water or other beverages, it might indicate your body is trying to compensate for elevated glucose levels.
3. Unexplained Fatigue
Even when getting enough sleep, people with high blood sugar may feel unusually tired. This is because glucose, your body’s main energy source, isn’t properly absorbed by cells due to insulin resistance, leaving you with low energy.
4. Blurred Vision
Excess glucose can affect the lenses of the eyes, causing them to swell and change shape. This can temporarily distort vision. Persistent blurred vision is a warning sign that should not be ignored.
5. Slow-Healing Cuts or Wounds
High blood sugar can impair blood circulation and weaken the immune system, making it harder for the body to heal wounds. Cuts, bruises, or infections that take longer than usual to heal may signal elevated glucose levels.