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Hypoglycemia (low blood glucose)

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Hypoglycemia (low blood glucose)

2025/06/26

To find out more about managing hypoglycemia:

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What are the symptoms?

HYPOGLYCEMIA occurs when your blood sugar level falls below 4.0 mmol/L (70 mg/dl).

Hypoglycemia can be dangerous if left untreated. Loss of consciousness may occur. If the person is unconscious, call an ambulance immediately. Do not give the person any food or drink.

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What to do if you suspect you have hypoglycemia?

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Common causes of hypoglycemia

  • Delayed or skipped meals 

  • Insufficient starchy carbohydrates in a meal 
  • Consuming alcohol on an empty stomach 
  • Excessive insulin or diabetes medication 
  • Mismatch between insulin/medication and meal times 
  • Increased physical activity 
  • Reduced appetite due to illness, such as flu, food poisoning, urinary tract infection    

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Ways to prevent hypoglycemia

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