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A Practical Blood Sugar Chart for Managing Type 2 Diabetes
18 Sep 2025 By Dan Echols, M.D.

A Practical Blood Sugar Chart for Managing Type 2 Diabetes

Managing Type 2 Diabetes effectively requires consistent blood sugar monitoring and a solid understanding of what your blood sugar levels mean. This article provides a practical blood sugar chart designed specifically for individuals managing Type 2 Diabetes. We'll discuss target ranges, what to do if your levels are too high or too low, and tips for maintaining healthy blood sugar. Why Is My Morning Blood Sugar High 5 Factors And How To Manage Them

Understanding Blood Sugar Levels: Why They Matter

Blood sugar levels, also known as blood glucose levels, are a critical indicator of how well your body is processing sugar (glucose). Glucose is a primary source of energy for the body, and it's essential to maintain a healthy balance. In Type 2 Diabetes, the body either doesn't produce enough insulin (a hormone that helps glucose enter cells) or becomes resistant to insulin. This leads to elevated blood sugar levels, which, over time, can cause serious health complications such as heart disease, kidney damage, nerve damage, and eye damage. Regularly monitoring your blood sugar and maintaining it within the target range is paramount to preventing these complications.

A Practical Blood Sugar Chart for Type 2 Diabetes

This blood sugar chart provides general guidelines. Remember, your target range might differ based on your individual health situation, age, and other medical conditions. Always consult your doctor or certified diabetes educator to establish personalized goals. Surprising Factors That Can Affect Your Blood Sugar Levels

Time of Day Target Blood Sugar Range (mg/dL) Action Required
Before Meals (Fasting) 80-130 mg/dL
  • **Below 80 mg/dL:** Treat low blood sugar (see section below). Re-test in 15 minutes.
  • **Above 130 mg/dL:** Consult your doctor or diabetes educator about adjusting medication or lifestyle.
1-2 Hours After Starting a Meal Less than 180 mg/dL
  • **Above 180 mg/dL:** Increase physical activity. Review your meal plan. Contact your healthcare provider if consistently high.
Bedtime 100-140 mg/dL
  • **Below 100 mg/dL:** Eat a small snack containing complex carbohydrates and protein.
  • **Above 140 mg/dL:** Evaluate your dinner and pre-bedtime routine. Adjust if necessary. Consult your doctor if persistently high.
A1C Goal Less than 7% (for most people) Work with your doctor to achieve and maintain your target A1C level. This is an average of your blood sugar control over the past 2-3 months.

What to Do When Blood Sugar is Too High (Hyperglycemia)

Hyperglycemia, or high blood sugar, can occur for various reasons, including: A Beginner S Guide To The Glycemic Index Gi For Better Blood Sugar Control

  • Eating too many carbohydrates
  • Skipping diabetes medication
  • Being inactive
  • Stress
  • Illness

Symptoms of Hyperglycemia:

  • Frequent urination
  • Increased thirst
  • Blurred vision
  • Fatigue
  • Headache

Actions to Take:

  1. Check your blood sugar more frequently: Monitor your levels every 2-4 hours.
  2. Drink plenty of water: Hydration helps flush out excess glucose.
  3. Engage in light exercise: Physical activity can help lower blood sugar. (Consult your doctor first).
  4. Adjust medication (if applicable): If you take insulin or oral medications, your doctor may adjust the dosage. Never adjust your medication without medical advice.
  5. Contact your doctor: If your blood sugar remains high despite your efforts, seek medical attention. Prolonged hyperglycemia can lead to serious complications.

What to Do When Blood Sugar is Too Low (Hypoglycemia)

Hypoglycemia, or low blood sugar, can be caused by:

  • Skipping meals
  • Taking too much diabetes medication
  • Excessive exercise
  • Drinking alcohol without food

Symptoms of Hypoglycemia:

  • Shakiness
  • Sweating
  • Dizziness
  • Hunger
  • Confusion
  • Irritability
  • Rapid heartbeat

Actions to Take (The 15-15 Rule):

  1. Check your blood sugar immediately.
  2. If below 70 mg/dL, consume 15 grams of fast-acting carbohydrates, such as:
    • 4 ounces (1/2 cup) of juice or regular soda
    • Glucose tablets (follow package instructions)
    • Hard candies (check the label for carbohydrate content)
  3. Wait 15 minutes and recheck your blood sugar.
  4. If still below 70 mg/dL, repeat steps 2 and 3.
  5. Once your blood sugar is above 70 mg/dL, eat a small snack containing both carbohydrates and protein to help stabilize your levels (e.g., crackers with peanut butter, cheese and crackers).
  6. Contact your doctor if you experience frequent or severe episodes of hypoglycemia. They may need to adjust your medication or diet. Always wear a medical ID bracelet or carry a card stating you have diabetes in case of emergencies.

Tips for Maintaining Healthy Blood Sugar Levels

Managing Type 2 Diabetes involves more than just monitoring your blood sugar. It requires a comprehensive approach that includes lifestyle changes:

  • Follow a Balanced Diet: Work with a registered dietitian to create a meal plan that is low in processed foods, sugary drinks, and unhealthy fats. Focus on whole grains, lean proteins, fruits, and vegetables.
  • Engage in Regular Physical Activity: Aim for at least 150 minutes of moderate-intensity exercise per week. This could include brisk walking, swimming, cycling, or dancing.
  • Take Medication as Prescribed: Adhere to your doctor's instructions regarding medication dosages and timing.
  • Monitor Your Blood Sugar Regularly: Check your blood sugar as often as recommended by your doctor and record your results. This information will help you and your healthcare team make informed decisions about your treatment plan.
  • Manage Stress: Stress can significantly impact blood sugar levels. Practice relaxation techniques such as yoga, meditation, or deep breathing exercises.
  • Get Enough Sleep: Aim for 7-9 hours of quality sleep each night. Lack of sleep can disrupt hormone balance and affect blood sugar control.
  • Regular Check-ups: Visit your doctor and other healthcare professionals regularly for routine check-ups and screenings.

The Importance of Regular Monitoring and Personalized Goals

The blood sugar chart provided is a general guideline, but the ideal range for you may vary based on individual factors. Regular monitoring, coupled with professional medical advice, ensures effective management of Type 2 Diabetes. Discussing your readings with your doctor allows for adjustments to your treatment plan, dietary habits, or exercise regime, ensuring you're on the right track for optimal health.

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