High Fasting Sugar but Normal HbA1c: What Should I Check?

AI-assisted health education, reviewed by TeleHealthCircle admin before publishing.

Community: Diabetes Care

Experiencing high fasting sugar levels while having a normal HbA1c can be confusing. This discrepancy can arise due to various factors affecting your blood glucose levels over time. What this means: HbA1c measures your average blood sugar over the past 2-3 months, while fasting sugar reflects your glucose levels at a specific moment. A normal HbA1c suggests that your overall blood sugar management is within range, but high fasting levels may indicate insulin resistance or other factors affecting your overnight glucose control. What to observe or prepare: Track your blood sugar levels at different times of the day, including post-meal readings. This can help identify patterns and fluctuations. Additionally, monitor your diet, particularly carbohydrate intake and meal timing, as these can significantly influence fasting glucose levels. Prepare questions for your healthcare provider about potential causes of your high fasting sugar and whether further testing is needed. What not to assume: Don’t assume that high fasting sugar levels are not a concern just because your HbA1c is normal. This could indicate an early sign of insulin resistance or other metabolic issues that may require at

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