We often hear and read about diabetes and the symptoms and effects of high blood sugar, known as hyperglycemia. But, diabetics can often struggle with hypoglycemia or low blood glucose counts as well, and it can be just as scary. It is important to be aware of the signs and symptoms of hypoglycemia.


In general, a blood glucose reading lower than 70 mg/dL is too low. Low blood glucose is usually caused by eating less or later than usual, being more active than usual, or taking too much diabetes medicine or insulin. Drinking alcohol may also contribute to low blood sugar.


Some warning signs of low blood glucose are shakiness, sweating, confusion, nausea, fatigue, headaches, and blurred vision. The signs may be mild at first. But a low glucose level can quickly drop much lower if you don’t treat it. When your glucose level is very low, you may get confused, pass out, or have seizures.


Hypoglycemia happens more often when you’re trying to keep your glucose level near normal.

This does not mean you need to stop trying to control your diabetes. It just means you have to watch more carefully for low levels and communicate with your health care team. Check back next week for tips on how to prevent and treat low blood sugar.

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