Causes of High Blood Glucose and Low Blood Glucose

What Can Cause Hyperglycemia?

• Insufficient dose of insulin or oral diabetes medications
• Illness, infection, injury, emotional stress
• Overeating
• Faulty blood-glucose readings

What Can Cause Hypoglycemia?

• Excessive dose of insulin or oral diabetes medications
• Illness, infection, injury, emotional stress
• Eating too little at meals or skipping meals
• Diarrhea or vomiting
• Not following the usual meal schedule
• Faulty blood-glucose readings