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Important
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Symptoms of High or Low Blood Sugar
You can better understand your test results by being aware
of the symptoms of high or low blood sugar; this will also
help you decide what to do if your results seem unusual.
Some of the most common symptoms are:
1
High blood sugar
(Hyperglycemia):
• frequent urination
• excessive thirst
• blurred vision
• increased fatigue
• extreme hunger
• irritability
Ketones (Ketoacidosis) from
untreated Hyperglycemia:
• shortness of breath
• nausea and vomiting
• very dry mouth
If you are experiencing any symptoms, test your blood
glucose. If your test result is below 50 mg/dL or above
250 mg/dL, contact your doctor immediately.
For additional information and symptoms, contact a
healthcare professional or refer to the website for the
American Diabetes Association: www.diabetes.org
Low blood sugar
(Hypoglycemia):
• shakiness
• sweating
• fast heartbeat
• blurred vision
• strange behavior
• confusion
• passing out
• seizure
Symptoms of High or Low Blood Sugar