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Glucose Testing

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What is a Blood Glucose Test ?

  A blood glucose test measures the glucose levels in your blood. Glucose is a type of sugar. It is your body's main source of energy. A hormone called insulin helps move glucose from your bloodstream into your cells.

What is it used for ?
  A blood glucose test is used to find out if your blood sugar levels are in a healthy range. It is often used to help diagnose and monitor diabetes.

What happens during a blood glucose test?

  A health care professional will take a blood sample from a vein in your arm, using a small needle. After the needle is inserted, a small amount of blood will be collected into a test tube or vial. You may feel a little sting when the needle goes in or out.

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Why do I need a blood glucose test?


Your healthcare provider may order a blood glucose test if you have symptoms of high glucose levels or low glucose levels.

 Symptoms of high blood glucose levels include:

  • Increased thirst and urination (peeing)

  • Blurred vision

  • Fatigue

  • Sores that don't heal

  • Weight loss when you're not trying to lose weight

  • Numbness or tingling in your feet or hands

Symptoms of low blood glucose levels include:

  • Feeling shaky or jittery

  • Hunger

  • Fatigue

  • Feeling dizzy, confused, or irritable

  • Headache

  • A fast heartbeat or arrhythmia (a problem with the rate or rhythm of your heartbeat)

  • Having trouble seeing or speaking clearly

  • Fainting or seizures

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