Blood Sugar Control: Are Your Symptoms a Sign of Diabetes? - Family Medicine

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Hello, Doctor: After taking two tablets of medication (Shu Wei Yin and Fu Shi Ning), I started experiencing dry mouth and increased hunger.
Since my mother has diabetes, I'm unsure if this is a side effect of the medication or a precursor to diabetes.
I had a blood test at the hospital on June 26, and my blood sugar was 99, without fasting.
Could you please tell me if I have diabetes? Thank you.

Xiao Zi, 30~39 year old female. Ask Date: 2020/07/06

Dr. Wu Zongying reply Family Medicine


Hello: Based on the description and information you provided in your letter, it appears that you have not yet reached the level of diabetes.
The diagnostic criteria for diabetes include a fasting blood glucose level of 126 mg/dL or higher, a random or postprandial blood glucose level exceeding 200 mg/dL, and a hemoglobin A1c level greater than 6.5%.
Your blood glucose level is 99, which does not meet the diagnostic criteria for diabetes.
Maintaining a healthy diet, managing your weight, and engaging in regular exercise can help prevent the onset of diabetes.
Wishing you good health.
Sincerely, Dr.
Wu Tsung-Ying, Family Medicine.

Reply Date: 2020/07/06

More Info


Based on the symptoms and blood sugar levels you've described, it is understandable to be concerned about the possibility of diabetes, especially given your family history. However, let's break down your situation to provide a clearer understanding.

1. Blood Sugar Levels: Your blood sugar level of 99 mg/dL, while not taken after fasting, is still within the normal range. According to the American Diabetes Association (ADA), normal fasting blood sugar levels are below 100 mg/dL. Levels between 100 and 125 mg/dL are considered "impaired fasting glucose," which is a precursor to diabetes. Since your reading is below this threshold, it does not indicate diabetes at this time.

2. Symptoms: The symptoms you mentioned—dry mouth and increased hunger—can be associated with various conditions, including diabetes. However, they can also be side effects of medications, especially if they are affecting your gastrointestinal system. The medications you mentioned, such as "舒胃因錠" (Shu Wei Yin) and "腹釋寧" (Fu Shi Ning), may have side effects that include dry mouth and changes in appetite. It’s essential to consult your healthcare provider about these symptoms to determine whether they are related to your medications or if they warrant further investigation for diabetes.

3. Family History: Having a family history of diabetes does increase your risk, but it does not mean you will develop the condition. It is crucial to maintain a healthy lifestyle, including a balanced diet and regular physical activity, to mitigate this risk. Regular monitoring of your blood sugar levels can also help catch any changes early.

4. Next Steps: Since you have a family history of diabetes and are experiencing symptoms that concern you, it would be prudent to schedule a follow-up appointment with your healthcare provider. They may recommend further testing, such as a fasting blood glucose test or an HbA1c test, which provides an average blood sugar level over the past two to three months. This can help clarify your risk status for diabetes.

5. Lifestyle Considerations: Regardless of your current blood sugar levels, adopting a healthy lifestyle is beneficial. This includes:
- Eating a balanced diet rich in whole grains, fruits, vegetables, lean proteins, and healthy fats.

- Engaging in regular physical activity, aiming for at least 150 minutes of moderate exercise per week.

- Staying hydrated and managing stress, as both can impact blood sugar levels.

6. Monitoring Symptoms: Keep track of your symptoms and any changes you notice. If you experience increased thirst, frequent urination, fatigue, or blurred vision, these could be more definitive signs of diabetes and should be discussed with your doctor.

In conclusion, while your current blood sugar level does not indicate diabetes, your symptoms and family history warrant further discussion with your healthcare provider. They can help determine the best course of action and whether any additional testing is necessary. Remember, early detection and lifestyle modifications can significantly impact your health outcomes.

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