Why Is Very Important To Monitor Blood Glucose Levels?

Last updated on August 17, 2022

Blood sugar levels vary from person to person

Monitor Blood Glucose Levels



Blood sugar, or blood glucose, needs to be in the right range for you to be healthy. At least some glucose is necessary for your muscle, liver, and some other cells to use as fuel so they can function.
What level of blood sugar is dangerous? According to MedlinePlus " A blood sugar level below 70 mg/dL (3.9 mmol/L) is low and can harm you. A blood sugar level below 54 mg/dL (3.0 mmol/L) is a cause for immediate action. 

Hyperglycemia and Hypoglycemia 


control your blood sugar levels

Hyperglycemia


Hyperglycemia is the technical term for high blood sugar (
Blood sugar high level). It happens when the body has too little insulin or when the body can't use insulin properly. 

Here are a few of the causes:
  • Too much food, like a meal or snack with more carbohydrates than usual
  • Dehydration
  • Not being active
  • Not enough insulin or oral diabetes medications
  • Side effects from other medications, such as steroids or antipsychotic medications
  • Illness, stress, menstrual periods, or short or long-term pain (these all cause your body to release hormones that can raise blood sugar levels)
control your blood sugar levels

Hypoglycemia (Low Blood sugar)


Low blood sugar is when your blood sugar levels have fallen low enough that you need to take action to bring them back to your target range. This is usually when your blood sugar is less than 70 mg/dL. However, talk to your diabetes care team about your own blood sugar targets, and what level is too low for you.

Low blood sugar may also be referred to as an insulin reaction, or insulin shock.

Signs and symptoms of low blood sugar (happen quickly)


Each person's reaction to low blood sugar is different. Learn your own signs and symptoms when your blood sugar is low. Taking time to write these symptoms down may help you learn your own symptoms when your blood sugar is low. From milder, more common indicators to most severe, signs and symptoms of low blood sugar include:
  • Feeling shaky
  • Being nervous or anxious
  • Sweating, chills, and clamminess
  • Irritability or impatience
  • Confusion
  • Fast heartbeat
  • Feeling lightheaded or dizzy
  • Hunger
  • Nausea
  • Color draining from the skin (pallor)
  • Feeling sleepy
  • Feeling weak or having no energy
  • Blurred/impaired vision
  • Tingling or numbness in the lips, tongue, or cheeks
  • Headaches
  • Coordination problems, clumsiness
  • Nightmares or crying out during sleep
  • Seizures

Blood sugar fasting

What is blood sugar when fasting?  Your doctors ask people to measure fasting blood sugar immediately upon waking and before they have anything to eat or drink.

The expected values for normal fasting blood glucose concentration are between 70 mg/dL (3.9 mmol/L) and 100 mg/dL (5.6 mmol/L). When fasting blood glucose is between 100 to 125 mg/dL (5.6 to 6.9 mmol/L) changes in lifestyle and monitoring glycemia are recommended. If fasting blood glucose is 126 mg/dL (7 mmol/L) or higher on two separate tests, diabetes is diagnosed.



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How to Use a Glucometer

A glucometer is a small, portable device that lets you check your blood sugars (glucose levels) at home. No matter what type of diabetes you have, a glucometer can give you valuable information.

Also called glucose meters, these devices can tell you in seconds if your blood sugar is too low, too high, or on target. Regular monitoring helps you manage your diabetes, but it's important to use your glucometer the right way.

When is recommended to use the Glucometer?
Type 1 Diabetes Type 2 and Gestational Diabetes
Before eating (meals and snacks) First thing in the morning and before bed
Before and after exercise Before each meal and before bed
Before and after exercise Before and two hours after each meal and before bed
Possibly during the night



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