Hypoglycemia means that the sugar (glucose) level in the blood is too low. In the absence of diabetes, hypoglycemia is defined as glucose levels below 50mg/l. In people with diabetes, hypoglycemia is reported when the fasting blood glucose level is less than 70mg/l.

Hypoglycemia can be felt more quickly than hyperglycemia and can cause symptoms such as fatigue, weakness, pale skin, extreme hunger, blurred vision and tremors.

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