Q:

How can you measure high blood sugar levels?

A:

Quick Answer

A normal fasting blood glucose level is less than 100 milligrams per deciliter. A reading less than 140 mg/dL two hours after eating is considered normal as well, according to WebMD.

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Full Answer

How often a diabetic needs to check their blood sugar depends on which type of diabetes she suffers from. Type 1 diabetics may need to test their blood glucose levels four to eight times a day: before eating, before and after exercising, before going to bed, and sometimes during the night. Type 2 diabetics who take insulin may have to test their blood sugar twice or more per day. Usually, Type 2 diabetics test before meals and before bedtime, states Mayo Clinic.

Hyperglycemia, or high blood sugar, usually occurs when the body does not make enough insulin or does not respond to the insulin signal. Symptoms of high blood sugar include: blurry vision, dry skin, dry mouth, extreme thirst, frequent urination, and feeling weak or exhausted, reports MedlinePlus.

Two types of tests can measure blood glucose. An A1C test measures how the body has controlled blood sugar over the past two to three months. The A1C test is administered by a physician. The other test is called self-monitoring of blood glucose. This test is done by the diabetic several times a day to track blood sugar. The Food and Drug Administration has approved home blood glucose meters for patient use, according to FamilyDoctor.org.

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