Living with diabetes means staying on top of your blood glucose levels, and self-monitoring is a key part of that. Here are common questions and answers to help you out.
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Why is self-monitoring of blood glucose important?
Blood glucose monitoring shows you the effect of the food you eat, how exercise affects you, and how your medication works. Self-monitoring is essential for anyone with diabetes and can help you:
- Keep your blood glucose within a healthy range.
- Fine-tune your meals, medication, or activities.
- Provide helpful information to your healthcare team.
- Reduce your risk of other health problems associated with diabetes.
How often should you test my blood glucose?
Your healthcare team will tell you how often and when to check your blood glucose. The frequency needed depends on several factors, such as the type of diabetes you have, the type of medication you are on, your current blood glucose control, etc.
Typically:
Type 1 diabetes: Check before meals, occasionally after meals, before and after exercise, before critical tasks (such as driving), and at bedtime.
Type 2 diabetes: Varies from several times a day to a few times a week, depending on your management plan. Structured blood glucose monitoring is recommended.
Always ask your healthcare provider for personalised advice.
What equipment do I need for self-monitoring?
You’ll need:
- A blood glucose meter (e.g. Accu-Chek Instant)
- Test strips
- A lancing device (e.g. Accu-Chek Softclix) and lancets
- A logbook or an app (e.g. mySugr) to track your results
What are the target blood glucose ranges?
The general target ranges, as recommended by the American Diabetes Association (ADA), are as follows:
- Before meals: 4.4 – 7.2 mmol/L
- Two hours after meals: <10.0 mmol/L
Target ranges, however, differ from person to person and depend on several factors, such as age, duration of diabetes, other comorbid conditions, hypoglycaemia awareness, and the presence of diabetes complications. Your ideal target range is specific to you and will be agreed upon with your healthcare team.
How can you ensure accurate readings?
Here’s how to get the best readings:
- Store your meter and strips properly.
- Use test strips before they expire.
- Make sure that your hands are clean and dry before checking your blood glucose.
- Follow the instructions for your meter and lancing device.
What are essential tips when checking your blood glucose?
- Wash and dry your hands. Using warm water may help increase blood flow to your fingertips.
- You can minimise pain by using a fresh lancet for each test. Today’s lancets are so tiny that even a single use can bend or dull the tips. This can cause them to hurt more when reused. Alternate fingers daily so that each one has a chance to rest.
- Lance on the side of the fingertip rather than the pad. The pad of your fingertip (where your fingerprints are most visible) is one of the most sensitive parts of your body.
- Record the results in a logbook or use a diabetes management app like mySugr to review and analyse them later.
- Based on your healthcare professional’s recommendations, take the appropriate steps if your blood glucose is high or low.
Self-monitoring your blood glucose is vital for managing diabetes. By understanding and integrating it into your daily routine, you can take control of your health and improve your life. If you have any questions, don’t hesitate to reach out to your healthcare provider.
Remember, you don’t have to manage diabetes on your own. There are plenty of resources available to help you stay on track.
References
- Bailey TS, Grunberger G, Bode BW, Hirsch IB, Roberts VL, Rodbard D. American Association of Clinical Endocrinologists and American College of Endocrinology 2016 Outpatient Glucose Monitoring Consensus Statement. Endocrine practice. 2016;22(2):231-261.
- American Diabetes Association Professional Practice Committee; 7. Diabetes Technology: Standards of Care in Diabetes—2025. Diabetes Care 1 January 2025; 48 (Supplement_1): S146–S166.
- American Diabetes Association Professional Practice Committee; 6. Glycemic Goals and Hypoglycemia: Standards of Care in Diabetes—2025. Diabetes Care 1 January 2025; 48 (Supplement_1): S128–S145.
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