Chapter 3: Testing Your Blood Sugar
41
Symptoms of High or Low Blood Sugar
Being aware of the symptoms of high or low blood sugar can help you understand your test results and decide
what to do if they seem unusual. Here are the most common symptoms:
High blood sugar (hyperglycemia): fatigue, increased appetite or thirst, frequent urination, blurred vision,
headache, general aching, or vomiting.
Low blood sugar (hypoglycemia): sweating, trembling, blurred vision, rapid heartbeat, tingling, or numbness
around mouth or fingertips.
If you are experiencing any of these symptoms, test your blood sugar. If your blood sugar result is
displayed as LO or HI and you have symptoms of low or high blood sugar, contact your doctor
immediately. If your blood sugar result does not match how you feel, follow the steps under “Unusual
Test Results.”
Summary of Contents for ACCU-CHEK
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