A sudden drop in blood sugar—also known as hypoglycemia—can occur for several reasons and often requires immediate attention. Here are common causes, symptoms, and what to do:
Common Causes:
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Too much insulin or diabetes medication
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Skipping meals or eating too little
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Intense or prolonged physical activity
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Alcohol on an empty stomach
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Certain medical conditions (e.g., adrenal insufficiency, tumors)
Symptoms of a Sudden Drop:
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Shakiness or trembling
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Sweating
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Dizziness or lightheadedness
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Irritability or mood changes
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Rapid heartbeat
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Blurred vision
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Weakness or fatigue
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Confusion or difficulty concentrating
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In severe cases: loss of consciousness or seizures
Immediate Action (The 15-15 Rule):
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Consume 15 grams of fast-acting carbs, such as:
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½ cup juice or regular soda
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1 tablespoon honey or sugar
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Glucose tablets or gel (check label for dosage)
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Wait 15 minutes, then recheck blood sugar.
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If still low, repeat the above.
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Once stabilized, eat a small meal or snack with protein and complex carbs.
Seek Emergency Help If:
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The person becomes unconscious
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Symptoms worsen despite eating
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You cannot keep food down
Would you like help creating a hypoglycemia action plan or identifying potential triggers?