Chapter 3: Testing Your Blood Sugar 31
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Non-fingertip testing may be done:
• Immediately before a meal
• Fasting
Fingertip test only:
• Two hours or less after eating
• After exercising
• If you are sick
•
If you think your blood sugar is low
• If you often don’t notice when your blood sugar is low
• When basal insulin is most active
•
After injecting rapid-acting insulin (two hours or less)
Do not change your treatment because of just one result.
NEVER ignore symptoms of high or low blood sugar.
If your blood sugar doesn’t match how you feel, do a fingertip test to confirm your result.
If the fingertip result still doesn’t match how you feel, call your doctor.
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