Learning About Symptoms
 

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Controlling Diabetes
Why Blood Glucose Levels Change
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Symptoms of low blood glucose (hypoglycemia)

Regular monitoring can help you spot patterns to try to avoid low blood glucose, reduce complications of diabetes, and help control your diabetes. Symptoms of low blood glucose (hypoglycemia) may include:

Neuroglycopenia
The main symptom of low blood glucose is impaired brain function (neuroglycopenia). When blood glucose levels are too low, the brain fails to get enough glucose, and it reduces some of the things it normally does. This results in dizziness or light-headedness, sleepiness, confusion, difficulty speaking, and other symptoms.

Hunger
Low blood glucose can result in a feeling of hunger. When glucose levels are too low in the blood as a result of too much insulin, the cells of the body do not get enough glucose, and your brain is triggered to tell you that you need to eat.

Other symptoms
Low blood glucose can also cause nervousness and shakiness, excessive perspiration, anxiety and weakness.

Symptoms will vary from person to person, and may be affected by age and sex.

   
 

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