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High Blood Sugar: 12 Warning Signs Your Body May Be Showing
High blood sugar (hyperglycemia) can develop gradually, and the symptoms may be easy to overlook. If you notice several of these signs, it’s worth talking with a healthcare professional about whether you should be tested.
Common symptoms include:
- Frequent urination
- Increased thirst
- Unusual hunger
- Fatigue or low energy
- Blurred vision
- Dry mouth
- Slow-healing cuts or wounds
- Frequent infections (such as skin or urinary tract infections)
- Tingling or numbness in the hands or feet
- Unexplained weight loss (more common in untreated diabetes)
- Dry, itchy skin
- Difficulty concentrating
These symptoms can have many causes and do not necessarily mean you have diabetes. If they are persistent or worsening, a healthcare professional can recommend appropriate testing and treatment.
If you experience severe symptoms—such as confusion, difficulty breathing, persistent vomiting, or extreme drowsiness—seek urgent medical care, as very high blood sugar can become a medical emergency.
