Blood glucose level, Internal Medicine FAQ - Page 3

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Understanding Elevated Fasting Blood Sugar: Causes and Concerns

Fasting blood glucose is higher than postprandial blood glucose? Hello, Doctor. I have been experiencing elevated fasting blood glucose levels during my annual company health check-ups, typically ranging from 97 to 102 mg/dL. My postprandial blood glucose levels are around 92 to ...


Dr. Lin Wuxuan Reply:
Hello: Your fasting blood glucose level is elevated, which can generally be classified as Impaired Fasting Glucose (IFG). It is recommended to choose a diet with a low Glycemic Index (GI) to help improve your elevated fasting blood glucose levels. Additionally, you may want to co...

[Read More] Understanding Elevated Fasting Blood Sugar: Causes and Concerns


Understanding Fasting Blood Sugar Levels: What’s Normal?

Fasting blood glucose issues? Hello, Dr. Lee. I would like to ask if a normal person’s blood sugar level tends to be slightly elevated after fasting for more than 15 hours. If dinner is finished around 5:30 PM and no food is consumed afterward, and there is no feeling of hunger, ...


Dr. Li Jian Reply:
After fasting for eight hours, blood glucose levels should drop to below 100 mg/dL.

[Read More] Understanding Fasting Blood Sugar Levels: What’s Normal?


Understanding Sudden Increase in Creatinine Levels: Causes and Concerns

Short-term rapid increase in creatinine levels? Hello Dr. Wu, On August 28, 2021, I went to the hospital for a blood test. On that day, I checked the report online and found that my creatinine level had risen to 1.28. The creatinine levels from the previous four months were 1.0...


Dr. Wu Jiyu Reply:
Regarding the definition of chronic kidney disease (CKD), you mentioned that the five data points you provided indicated the presence of urinary protein, which alerted you to your kidney function. The four measurements of glomerular filtration rate (GFR) were 75, 83, 75, and 79 m...

[Read More] Understanding Sudden Increase in Creatinine Levels: Causes and Concerns


Understanding Blood Test Results: What Do They Mean for Your Health?

Blood test results? Other test data source: Test category: Sorted items: Test item name: All. Rotating the mobile screen horizontally will display more data. Test Date | Test Item Name | Test Result 110/08/13 | HCT | 43.5 110/08/13 | HGB | 13.2 110/08/13 | MCH | 21.0 11...


Dr. Hong Yuanbin Reply:
Hello, based on your blood test report: 1. Your blood glucose level is elevated. If this was a fasting blood test, it is recommended to visit a metabolic clinic to check for diabetes. 2. Your oxygen saturation is low, but it is unclear whether the sample was drawn from an arter...

[Read More] Understanding Blood Test Results: What Do They Mean for Your Health?


Understanding Fasting Blood Sugar Levels: What’s Normal?

Blood sugar issues? Hello Dr. Lin: I would like to ask a few questions. Is it accurate to measure blood glucose levels after fasting for more than 15 hours in a normal person? My son, who is slightly overweight but does not have diabetes, is currently practicing intermittent fast...


Dr. Lin Jianliang Reply:
Hello: Fasting blood glucose refers to the first blood glucose measurement taken immediately after waking up, with at least an 8-hour interval since the last meal. A normal fasting blood glucose level should be less than 100 mg/dL.

[Read More] Understanding Fasting Blood Sugar Levels: What’s Normal?


Understanding Pre-Meal Blood Sugar Levels: What Do 105 and HbA1c 5.3 Mean?

Fasting blood glucose is 105 mg/dL and HbA1c is 5.3%? I apologize for the inconvenience. Your fasting blood glucose level is 105 mg/dL, while the laboratory standard range is 70-110 mg/dL. This means that your result falls within the laboratory's normal range, so there is no...


Dr. Hong Yuanbin Reply:
Hello, based on your test results, your fasting blood glucose is 105 mg/dL and your hemoglobin A1c is 5.3%. Currently, these values do not meet the criteria for a diabetes diagnosis. It is recommended to follow up later. Thank you for your inquiry.

[Read More] Understanding Pre-Meal Blood Sugar Levels: What Do 105 and HbA1c 5.3 Mean?


Understanding Pre-Meal Blood Sugar Levels: What Does 105 Mean?

Fasting blood glucose is 105 mg/dL and HbA1c is 5.3%? I apologize for the inconvenience. Your fasting blood glucose level of 105 mg/dL falls within the laboratory's reference range of 70-110 mg/dL, which indicates that it is considered normal according to their standards. Wh...


Dr. Hong Yuanbin Reply:
Hello, based on your test results, your fasting blood glucose is 105 mg/dL and your hemoglobin A1c is 5.3%. Currently, these values do not meet the criteria for a diabetes diagnosis. It is recommended to follow up later. Thank you for your inquiry.

[Read More] Understanding Pre-Meal Blood Sugar Levels: What Does 105 Mean?


Understanding Prediabetes: Causes, Management, and Lifestyle Changes

Prediabetes Hello, doctor. My height is 173 cm and my weight is 42.2 kg. In March, my weight was 45.2 kg. Due to weight loss, I underwent blood glucose and thyroid tests. The results showed fasting blood glucose of 96 mg/dL, hemoglobin A1c of 5.7%, eAG of 117 mg/dL, free T4 of 1....


Dr. Lin Jianliang Reply:
Hello: The normal range for fasting blood glucose levels is typically 70 to 100 mg/dL, and the normal range for hemoglobin A1c is 4 to 6%. I'm not sure what your laboratory's standard range is. For prediabetes, dietary changes and exercise can be effective in managing t...

[Read More] Understanding Prediabetes: Causes, Management, and Lifestyle Changes


Adjusting Insulin for Diabetes Management: A Guide for Caregivers

Diabetes management Hello Dr. Lee, I have been taking care of my father who has had diabetes for over 20 years. During this time, due to dietary control, his HbA1c has decreased from 10 to 6.8. I would like to ask if the insulin he takes daily can be adjusted based on his blood g...


Dr. Li Jian Reply:
Adjusting insulin involves many factors, including the type of insulin used, accompanying oral medications, daily blood sugar fluctuations, renal function, and more. Please discuss this with the prescribing physician.

[Read More] Adjusting Insulin for Diabetes Management: A Guide for Caregivers


Is My Doctor's Approach to Diabetes Management Correct?

Could you please clarify if the management of diabetes is appropriate? I have been regularly visiting a urologist, and recently the doctor mentioned that my urine glucose levels are too high. I also tested my blood sugar at home using a glucometer about five hours after a meal, a...


Dr. Li Jian Reply:
A postprandial blood glucose level of over 200 may indicate diabetes. Please visit the endocrinology department for a thorough examination.

[Read More] Is My Doctor's Approach to Diabetes Management Correct?


Understanding Morning Fasting Blood Sugar Levels in Diabetes Management

Fasting blood glucose levels upon waking are higher than blood glucose levels before bedtime? Hello Dr. Lin: I was diagnosed with diabetes in early April, at which time my blood sugar was 226, and my HbA1c was 8. Over the past month, I have been actively managing my diet and exer...


Dr. Lin Jianliang Reply:
Hello: Many factors can affect blood glucose levels, such as dietary content, the degree of digestion and absorption, the type of antidiabetic medication, physical condition, and level of physical activity. Generally, physicians will consider all this information to determine whe...

[Read More] Understanding Morning Fasting Blood Sugar Levels in Diabetes Management


Understanding Blood Sugar Levels: Are You at Risk for Prediabetes?

Blood glucose level is 102, but glycated hemoglobin (HbA1c) is normal? Hello doctor, my height is 176 cm and my weight is 77 kg. My fasting blood glucose level is 102 mg/dL, but my hemoglobin A1c is 5.5%. Am I considered to be in the prediabetic range, or do I need to retest my f...


Dr. Li Jian Reply:
Fasting blood glucose levels exceeding 100 mg/dL raise concerns for prediabetes, and regular monitoring is necessary. Both hemoglobin A1c and fasting blood glucose have their respective reference values; no single number can provide complete assurance, so both should be considere...

[Read More] Understanding Blood Sugar Levels: Are You at Risk for Prediabetes?


What is the Normal Range for Hemoglobin A1c Levels?

What is the normal range for hemoglobin A1c? The normal range for hemoglobin A1c (HbA1c) levels can vary slightly depending on the guidelines used. Generally, an HbA1c level of less than 5.7% is considered normal, while levels between 5.7% and 6.4% indicate prediabetes. A level o...


Dr. Li Jian Reply:
Both the American Diabetes Association and the Taiwan Diabetes Association define a normal fasting blood glucose level as below 5.6 mmol/L.

[Read More] What is the Normal Range for Hemoglobin A1c Levels?


Does Anemia Affect Blood Sugar Diagnosis Standards? Understanding the Impact

Does anemia affect blood sugar diagnostic standards? Recently, my health check report showed a fasting blood glucose level of 101 and a hemoglobin A1c of 5.8. I am very concerned about diabetes, but I have thalassemia. Does this condition affect blood glucose levels or the standa...


Dr. Lin Jianliang Reply:
Hello: Mediterranean anemia can affect the binding of glucose to hemoglobin, which in turn can impact the levels of glycated hemoglobin.

[Read More] Does Anemia Affect Blood Sugar Diagnosis Standards? Understanding the Impact


Understanding Abnormal Blood Test Results: Should You See an Endocrinologist?

Abnormal blood test results? The most recent blood test report from my check-up shows a fasting blood glucose level of 101, which is slightly above the normal range, but the hemoglobin A1c level is 5.3, which seems to be normal. Should I see an endocrinologist for adjustment or f...


Dr. Li Jian Reply:
Fasting blood glucose levels exceeding 100 require regular follow-up visits. It is also important to consider that some individuals may have inaccurate hemoglobin A1c results due to anemia.

[Read More] Understanding Abnormal Blood Test Results: Should You See an Endocrinologist?


Understanding Cold Sensitivity and Fatigue in Elderly Patients

Chills and lack of energy? Hello Dr. Hong: My mother (in her seventies) mentioned feeling discomfort in her abdomen the night before last. Yesterday, she experienced chills and felt cold even while wearing heavy clothing, and she was shivering. She occasionally coughed, but it wa...


Dr. Hong Yuanbin Reply:
Hello, it is recommended to check her temperature and blood pressure. If she has diabetes, it is also important to measure her blood glucose levels. Based on your description, she may have an infection, which could be a respiratory tract infection, urinary tract infection, or gas...

[Read More] Understanding Cold Sensitivity and Fatigue in Elderly Patients


Understanding Blood Test Results After Organic Solvent Poisoning

Blood tests after organic solvent poisoning? Recently, I experienced poisoning due to organic solvents and felt unwell the next day, so I went to the hospital for an examination. Blood and urine samples were taken, and the report showed several abnormal values highlighted in red:...


Dr. Su Zhehong Reply:
Excessive exposure to organic solvents may lead to liver damage, but this blood test report shows that the levels of AST and ALT have not increased more than twofold. It is recommended to first consult a gastroenterologist for further evaluation to rule out other causes of liver ...

[Read More] Understanding Blood Test Results After Organic Solvent Poisoning


Managing Post-Meal Blood Sugar Spikes in Type 2 Diabetes Patients

Diabetes: Postprandial Hyperglycemia Hello Dr. Lee, I would like to ask you some questions regarding diabetes. 1. My father was recently diagnosed with type 2 diabetes, and he has been controlling his diet and exercising regularly every evening. Initially, his blood sugar level...


Dr. Li Jian Reply:
1: It seems that dietary control is very strict, but postprandial blood glucose levels still do not decrease. It may be helpful to discuss medication adjustments with your physician to assist in lowering postprandial blood glucose. 2: Smoking accelerates microvascular and macrova...

[Read More] Managing Post-Meal Blood Sugar Spikes in Type 2 Diabetes Patients


Understanding Blood Sugar Levels: Is 103 mg/dL Normal?

Blood sugar issues I apologize, but my blood sugar level in the health check report is 103.00. Is this abnormal? However, I had half a slice of toast 1 to 2 hours before the test. Is this within the normal range? Thank you for your response.


Dr. Lin Jianliang Reply:
Fasting blood glucose level: 70-100 mg/dL. Two hours after eating: within 140 mg/dL. Eating half a slice of toast 1 to 2 hours before the examination does not qualify as fasting blood glucose, so the results are not valid.

[Read More] Understanding Blood Sugar Levels: Is 103 mg/dL Normal?


Am I Prediabetic? Understanding Symptoms and Blood Sugar Levels

Is it prediabetes? Hello Dr. Lin, sometimes about two hours after lunch, I feel hungry and experience symptoms similar to hypoglycemia (but this does not happen after dinner). Six months ago, I had a fasting blood glucose test that showed 101 mg/dL, and my blood glucose two hours...


Dr. Lin Jianliang Reply:
A fasting blood glucose level ranging from 100 to 125 mg/dL is classified as impaired fasting glucose (IFG), also known as "early diabetes," latent diabetes, or prediabetes. At this stage, dietary control and increased physical activity can help manage blood glucose lev...

[Read More] Am I Prediabetic? Understanding Symptoms and Blood Sugar Levels


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