What are symptoms of high or low blood sugar levels?

High Blood Sugar Levels (Hyperglycemia)

* Frequent urination

* Increased thirst

* Increased hunger

* Weight loss

* Fatigue

* Blurred vision

* Slow-healing sores

* Tingling or numbness in the hands or feet

* Frequent infections

Low Blood Sugar Levels (Hypoglycemia)

* Shakiness

* Sweating

* Hunger

* Irritability

* Confusion

* Dizziness

* Lightheadedness

* Blurred vision

* Rapid heartbeat

* Headaches

* Seizures

* Loss of consciousness

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