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What Is Your Blood Sugar Level Supposed To Be


What Should My Blood Sugar Levels Be

What is A Normal Blood Glucose?

Your blood sugar level changes depending on what you’ve eaten, whether you’ve exercised and other factors but we have some general guidelines to determine what levels are healthy.

For generally healthy individuals who haven’t eaten for eight hours or more, a normal blood sugar level is between 70-99 mg/dL. When you’ve eaten in the past two hours, it should be no higher than 140 mg/dL. To refresh your chemistry knowledge, that unit is milligrams per deciliter and it’s measuring the amount of glucose present in your blood.

Only a medical professional can diagnose diabetes or another issue with your blood sugar, so if you’re concerned about your blood sugar levels, check with a doctor.

How Do I Check

People with diabetes check their blood sugar levels by poking their fingertips and using a blood glucose meter or a continuous glucose monitor to measure the blood glucose level at that moment. Read on to find out how to use a blood glucose meter. To find out more about CGMs, start by talking to your doctor.


How Can I Treat High Blood Sugar

Talk to your doctor about how to keep your blood sugar levels within your target range. Your doctor may suggest the following:

  • Be more active. Regular exercise can help keep your blood sugar levels on track. Important: dont exercise if ketones are present in your urine. This can make your blood sugar go even higher.
  • Take medicine as instructed. If your blood sugar is often high, your doctor may change how much medicine you take or when you take it.
  • Follow your diabetes meal plan. Ask your doctor or dietitian for help if youre having trouble sticking to it.
  • Check your blood sugar as directed by your doctor. Check more often if youre sick or if youre concerned about high or low blood sugar.
  • Talk to your doctor about adjusting how much insulin you take and what types of insulin to use.

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Can I Check My Own Blood Sugar

You can do blood sugar level check by doing a finger-prick test, by using a blood sugar monitor called a flash glucose monitor or with a continuous glucose monitor . You can do this several times a day helping you keep an eye on your levels as you go about your life and help you work out what to eat and how much medication to take. Find out your ideal target range.

Not everyone with diabetes needs to check their levels like this. Youll need to if you take certain diabetes medication. Always talk to your healthcare team if youre not sure whether thats you theyll give you advice on whether to check them yourself and how often.

And theres also something called an HbA1c, which is a blood test to measure your average blood sugar level over the last three months. Everyone with diabetes is entitled to this check.


High blood sugar levels increase your risk of developing serious complications. However you manage your diabetes, stay in the know about your blood sugar levels

Drink Water And Stay Hydrated

What is Blood Sugar and What Can go Wrong

Drinking enough water could help you keep your blood sugar levels within healthy ranges.

In addition to preventing dehydration, it helps your kidneys flush out any excess sugar through urine.

One review of observational studies showed that those who drank more water had a lower risk of developing high blood sugar levels (

34 ).


You can do so at home using a portable blood glucose meter, which is known as a glucometer. You can discuss this option with your doctor.

Keeping track allows you to determine whether you need to adjust your meals or medications. It also helps you learn how your body reacts to certain foods .

Try measuring your levels regularly every day and keeping track of the numbers in a log. Also, it may be more helpful to track your blood sugar in pairs for example, before and after exercise or before and 2 hours after a meal.

This can show you whether you need to make small changes to a meal if it spikes your blood sugar, rather than avoiding your favorite meals altogether. Some adjustments include swapping a starchy side for non-starchy veggies or limiting them to a handful.

Summary

Checking your blood glucose and maintaining a daily log enables you to adjust foods and medications when necessary to better manage your blood sugar levels.

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How Do Blood Glucose Levels Compare With Hba1c Readings

The table on the right shows how average blood sugar levels in mmol/L would be translated into HbA1c readings , and vice versa.

It is important to note that because blood glucose levels fluctuate constantly, literally on a minute by minute basis, regular blood glucose testing is required to understand how your levels are changing through the day and learning how different meals affect your glucose levels.

Read more about HbA1c:

What Causes High Blood Sugar Levels

Managing diabetes is like a three-way balancing act because you have to watch:

  • the medicines you take (
  • the food that you eat
  • the amount of exercise you get
  • All three need to be balanced. If any one of these is off, blood sugar levels can be too. In general, higher than normal blood glucose levels can be caused by:


    • not taking your diabetes medicine when you’re supposed to or not taking the right amounts
    • not following the meal plan
    • not getting enough exercise
    • having an illness, like the flu
    • stress
    • taking other kinds of medicines that affect how your diabetes medicines work

    A single high blood sugar reading usually isn’t cause for alarm it happens to everyone with diabetes from time to time. But if you have high blood sugar levels a lot, let your parents and your diabetes health care team know. Insulin or meal plans may need adjusting, or you may have an equipment issue, like an insulin pump that isn’t working right. Whatever the case, make sure you get help so you can get your blood sugar levels back under control.

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    What Is The A1c Number

    There is another value that your doctor might mention. It is called your A1c . It is the average percent of your blood over the last two to three months that has sugar attached to it. Usually, the goal is 7% or less. If the percent is higher than that, your doctor will want to work with you to lower it so you can avoid long term harm to your body. Your doctor can help you better understand how the A1ccan be used to manage diabetes.

    How Can I Treat Low Blood Sugar

    What should my blood sugar level be on average?

    If youve had low blood sugar without feeling or noticing symptoms , you may need to check your blood sugar more often to see if its low and treat it. Driving with low blood sugar can be dangerous, so be sure to check your blood sugar before you get behind the wheel.

    Carry supplies for treating low blood sugar with you. If you feel shaky, sweaty, or very hungry or have other symptoms, check your blood sugar. Even if you dont have symptoms but think you may have low blood sugar, check it. If your blood sugar is lower than 70 mg/dL, do one of the following immediately:


    • Take four glucose tablets.
    • Drink four ounces of fruit juice.
    • Drink four ounces of regular soda, not diet soda.
    • Eat four pieces of hard candy.

    Wait for 15 minutes and then check your blood sugar again. Do one of the above treatments again until your blood sugar is 70 mg/dL or above and eat a snack if your next meal is an hour or more away. If you have problems with low blood sugar, ask your doctor if your treatment plan needs to be changed.

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    How Does Hba1c Differ From A Blood Glucose Level

    HbA1c provides a longer-term trend, similar to an average, of how high your blood sugar levels have been over a period of time.

    An HbA1c reading can be taken from blood from a finger but is often taken from a blood sample that is taken from your arm.

    Blood glucose level is the concentration of glucose in your blood at a single point in time, i.e. the very moment of the test.


    This is measured using a fasting plasma glucose test, which can be carried out using blood taken from a finger or can be taken from a blood sample from the arm.

    However, fasting glucose tests provide an indication of your current glucose levels only, whereas the HbA1c test serves as an overall marker of what your average levels are over a period of 2-3 months.

    HbA1c can be expressed as a percentage or as a value in mmol/mol . Since 2009, mmol/mol has been the default unit to use in the UK.

    Note that the HbA1c value, which is measured in mmol/mol, should not be confused with a blood glucose level which is measured in mmol/l. Use our HbA1c conversion tool to help with switching between the two measurement units.

    HbA1c is a measure of how well controlled your blood sugar has been over a period of about 3 months. It essentially gives a good idea how high or low, on average, your blood glucose levels have been.


    How is HbA1c measured?

    A sample of blood will be take, usually from your arm. The test measures how much glucose has stuck to haemoglobin in the blood.

    What result should I be aiming to get?

    Fasting Blood Glucose Level Test Preparation

    What should you do if your doctor orders a fasting blood sugar test? The preparation is the same as when you take a fasting test for cholesterol. First, be sure to find out if you need to schedule an appointment for your test . Ask your doctor what time is best to take it.

    Then:


    • Schedule your test if necessary
    • Ask your doctor if you need to change any of the medications you take on the morning of the test
    • If you normally drink coffee or have caffeine, ask your doctor if that is okay. It may not be, since it affects blood sugar levels
    • Fast for at least 8 hours before your test. Usually, an overnight fast is most convenient
    • You can drink water

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    Blood Sugar Levels During Pregnancy

    The NIDDK states that gestational diabetes is high blood sugar that occurs during pregnancy if you were not diabetic before getting pregnant. Healthy blood sugar during pregnancy can help lower your risk of developing type 2 diabetes later. It can also lower the risk of your baby being born prematurely, at a high birth weight, and having respiratory problems.

    Blood sugar and insulin levels during the first trimester of pregnancy tend to be lower than usual, but they rise during the late second and early third trimesters. You can be diagnosed with an oral glucose tolerance test .

    These are the steps for the 2-step strategy.

    • Drink a solution with 50 grams of glucose about the amount in 1 16-oz. bottle of a soft drink
    • Get your blood drawn after 1 hour. IF the value is high, retest
    • Fast overnight
    • Drink a solution with 100 grams of glucose about the amount in 12 peanut butter cups
    • Get your blood drawn immediately and after 1, 2, and 3 hours

    Or, your doctor might use the 1-step strategy with a 2-hour OGTT:


    • Fast overnight
    • Drink a solution with 75 grams of glucose
    • Get your blood drawn immediately and after 1 and 2 hours

    These are some values to know from NIDKK related to gestational diabetes and healthy blood sugar in pregnancy.

    Time or Situation
    Baseline: at least 105 mg/dl1 hour: at least 190 mg/dl2 hours: at least 165 mg/dl3 hours: at least 145 mg/dl

    When To See A Healthcare Provider

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    Getting professional medical advice from a healthcare provider like an endocrinologist is the best way to learn more about whether your blood sugar levels are where they should be. Not getting proper treatment for low or high blood sugar levels can be serious and lead to health complications, especially for those with diabetes. Diabetes complications include nerve damage, kidney disease, heart disease, or heart attacks.

    If you see a healthcare provider about your blood sugar levels, be prepared to answer questions about risk factors like what you eat, how much you exercise, and about your family history. Some healthcare providers may want to take a blood sample to test your blood sugar levels. They may also order an A1C test, which is a blood test that measures blood sugar levels over several months. You may have to fast eight hours beforehand to get accurate test results, so its always a good idea to check before your appointment.

    If your blood sugar level goes above 250 mg/dL, you should go to the ER for immediate medical attention, says Dr. Tarugu. Emergency rooms are equipped to handle high blood sugar levels and can administer treatments like insulin therapy and fluid or electrolyte replacement.

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    What Number Should My Blood Glucose Be

    Blood glucose is measured in mg/dl. The normal range for blood glucose for people without diabetes is 70 to 120 mg/dl.

    The Diabetes Center has guidelines for blood glucose readings. This is called a target range. There may be times when your healthcare provider gives you a different target range, like for bedtime, with exercise, or after eating.

    Nationwide Childrens Hospital Diabetes Center Target Blood Glucose Ranges

    Age

    The goal is to keep the blood glucose within the target range most of the time.

    What Causes Low Blood Sugar

    Low blood sugar has many causes, including missing a meal, taking too much insulin, taking other diabetes medicines, exercising more than normal, and drinking alcohol. Blood sugar below 70 mg/dL is considered low.


    Signs of low blood sugar are different for everyone. Common symptoms include:

    • Shaking.
    • Dizziness.
    • Hunger.

    Know what your individual symptoms are so you can catch low blood sugar early and treat it. If you think you may have low blood sugar, check it even if you dont have symptoms. Low blood sugar can be dangerous and should be treated as soon as possible.

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    What Should I Do If My Blood Sugar Gets Too Low

    Low blood sugar is also called hypoglycemia . It means your blood sugar level drops below 70. Having low blood sugar is dangerous and needs to be treated right away. Anyone with diabetes can have low blood sugar. You have a greater chance of having low blood sugar if you take insulin or certain pills for diabetes.

    Carry supplies for treating low blood sugar with you. If you feel shaky, sweaty, or very hungry, check your blood sugar. Even if you feel none of these things, but think you may have low blood sugar, check it.

    If your meter shows that your blood sugar is lower than 70, do one of the following things right away:

    • chew 4 glucose tablets
    • drink 4 ounces of fruit juice
    • drink 4 ounces of regular soda, not diet soda or
    • chew 4 pieces of hard candy

    After taking one of these treatments, wait for 15 minutes, then check your blood sugar again. Repeat these steps until your blood sugar is 70 or above. After your blood sugar gets back up to 70 or more, eat a snack if your next meal is 1 hour or more away.

    If you often have low blood sugar, check your blood sugar before driving and treat it if it is low.

    Whats My Target Range

    One Quick Tip for Balancing Blood Sugar

    You might be asking, what’s the normal range for blood sugar levels? The answer is, there is a healthy range that you should ideally be aiming for. The infographics above show the general guidelines, but your individual target range for your blood sugar levels may be different. Youll healthcare team will agree with you what it is.

    Youll get different readings at different times of the day, depending on things like what youve eaten and how much you are moving around. Heres a guide to help you get started on finding your target range:

    If youre a child with Type 1 diabetes

    • when you wake up and before meals: 4 to 7mmol/l
    • after meals: 5 to 9mmol/l

    If youre an adult with Type 1 diabetes

    • when you wake up and before meals: 5 to 7mmol/l
    • before meals at other times of the day: 4 to 7mmol/l

    If you have Type 2 diabetes

    • before meals: 4 to 7mmol/l
    • two hours after meals: less than 8.5mmol/l

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    Agree On Specific Target Ranges With The Diabetes Team

    Sit down with a member of your diabetes health care team and discuss a range of blood glucose targets that are considered reasonable and realistic, given age, lifestyle and health considerations.

    You should have a clear understanding of which numbers are considered too high or too low. It should also be clear what actions need to be taken if these numbers occur.

    Low Blood Sugar Symptoms

    Hypoglycemia happens when blood glucose levels drop too low. Low blood sugar can be caused by many things including the two different types of diabetes, certain medications, alcohol, endocrine disorders, eating disorders, pregnancy , and disorders of the liver, kidneys, or heart.

    Here are some of the most common symptoms that someone with low blood sugar might experience:

    • Lightheadedness
    • Fainting
    • Tingling lips

    If your blood sugar is low you might start to feel some of the first signs of hypoglycemia like dizziness, lightheadedness, or sweating. The only way to know for sure if your blood sugar is low is to test it with a glucose meter or other glucose monitoring device.

    If you dont have access to these tools and start to feel the symptoms of low blood sugar, consume 15 grams of carbs or take a quick dissolve glucose tablet to raise your blood sugar levels and avoid further symptoms, according to the American Diabetes Association . Once your blood sugar is back in its target range, you can have a snack or meal to make sure it doesnt drop again.

    Here are some other lifestyle and medicinal treatments that can help treat hypoglycemia:

    • Eat a healthy diet full of whole foods that are minimally processed.
    • Take prediabetes or diabetes medications as recommended by your healthcare provider.
    • Use a glucagon kit in emergencies. Glucagon is a hormone that raises blood sugar levels quickly.

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