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    Easily monitor your health by DIY blood sugar testing.

    3 minute(s) read
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    Bangkok Hospital Chiang Mai
    Updated on: 10 Dec 2025
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    Easily monitor your health by DIY blood sugar testing.
    AI Translate
    Translated by AI
    Bangkok Hospital Chiang Mai
    Updated on: 10 Dec 2025
    Dr. Phromphorn Pruksakorn specializes in endocrinology and metabolismof the Department of Internal Medicine invites diabetic patients to measure their own blood sugar levels because it’s easy, can be done immediately, and the results can be used as a reference for doctors to correct sugar imbalances. Self-Monitoring of Blood Glucose (SMBG) is an important tool in diabetes management. Those who regularly check their own blood sugar levels can promptly adjust their self-care regimen. In cases where patients experience low blood sugar symptoms such as dizziness, palpitations, sweating, or hunger, they can immediately use the blood glucose meter.
    Moreover, the results can be used as a reference to address hypoglycemic episodes when following a doctor’s advice. Besides regular self-monitoring of blood sugar serving as an indicator of medication effectiveness, it also reflects how dietary habits and exercise affect the blood sugar levels of the patient, allowing for appropriate blood sugar management and also reduces the risk of diabetes-related complications significantly.  
      Diabetic patients who monitor their blood sugar levels themselves can better control their diabetes. They also gain additional blood sugar information supplementing accumulated sugar levels (HbA1C) in assessing diabetes control. They can also detect or identify trends of low blood sugar levels and excessively high sugar levels, preventing and rectifying issues, thereby enhancing patient safety and confidence. It further motivates self-care. Typically, doctors recommend diabetic patients check their sugar levels by fingerstick in the morning “before breakfast” to adjust long-acting insulin doses or before each meal and 2 hours after a meal to evaluate sugar level response based on insulin action time. Some patients might be advised to perform fingerstick checks before, during, and after prolonged exercise to consider snacks or adjust insulin doses accordingly. It’s important to acknowledge that fingerstick monitoring should be done before driving to reduce the risk of low blood sugar symptoms while driving. Before driving, blood sugar should be over 90 mg/dL. Patients at risk of nighttime hypoglycemia should check blood sugar before bed and at 3:00 AM.
    Let’s see what equipment diabetic patients need to prepare
    1. Alcohol
    2. Dry cotton
    3. Blood lancet device
    4. Test strips
    5. Glucometer
    6. Blood lancet or lancet pen
     
    Steps for Self-Fingerstick Blood Sugar Testing
    1. Insert the test strip into the machine, press the power button (some models turn on automatically)
         
    2. Insert the lancet into the lancet pen, set the depth based on skin thickness or use a disposable lancet center>
         
    3. Use cotton soaked in alcohol, clean the finger’s area to be pricked, and wait for the alcohol to dry.
         
    4. Prick the side of the fingertip on the index, middle, or ring finger
         
    5. Drop the blood on the test strip, aligning it parallel with the blood sample area to fill the sampling area center>
         
    6. Press the pricked area with dry cotton until the bleeding stops. Wait for the device to read and record the result in the logbook.
         
    Diabetes patients should regularly track their blood sugar levels with self-fingerstick testing to reduce the risk of complications related to stroke and heart diseases. Leading to heart disease, myocardial ischemia kidney disease and hypertension     Best wishes Dr. Phromphorn Pruksakorn, Endocrinologist Department of Internal Medicine | Bangkok Hospital Chiang Mai Tel: 052 089 888 or 1719 Line Official: @bangkokchiangmai   Related Articles
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    Source: Kasenapa Teekanjanavanich, (2019), Diabetes Educator Basic Course, pages 96-101.

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