What Are Normal Blood Sugar Levels
You might want to measure your blood sugar before meals to get a baseline, and then two hours after your meal to measure your normal blood sugar level. Your doctor might also suggest measuring blood sugar before bed to be sure you have been eating well throughout the day and can go to sleep with peace of mind.
These are considered within the range of normal for blood sugar:
- Less than 140 mg/dl if you do not have diabetes.
- Less than 180 mg/dl if you have diabetes.
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Target Blood Sugar Levels In Children With Diabetes
Children younger than 6 years oldBlood sugar in mg/dL Bedtime 110-200
Children under 6 years of age should have blood glucose levels that range from about 80 to 200 mg/dL each day. This range is considered healthy, and the amount of glucose in a childs body will fluctuate from the time they wake up to after theyve eaten meals and again before bedtime. For this reason, kids with diabetes or hypoglycemic episodes may have to have their blood sugar levels tested in the middle of the night by their parents. Many children with type 1 diabetes wear a continuous glucose monitor , which displays glucose levels all the time and mostly eliminates the need for finger sticks.
Blood Sugar Chart: Summary
The fasting blood sugar, 2-hour post-meal blood sugar, and HbA1C tests are important ways to diagnose prediabetes and diabetes, as well as indicate how well a persons diabetes is being managed. If you think you have diabetes, its important to not try and diagnose yourself by doing a finger-stick with a home blood glucose meter. There are strict standards and procedures that laboratories use for diagnosing diabetes therefore, you should get tested at your doctors office or at a laboratory.
Its also important to talk with your doctor to make sure you understand a) how often you should have certain tests, such as a fasting blood glucose or HbA1C test b) what your results mean and c) what your blood sugar and HbA1C targets are.
If you have not been previously diagnosed with prediabetes or diabetes but your results are above normal, your doctor may recommend other tests and should discuss a plan of treatment with you. Treatment may include lifestyle changes, such as weight loss, a healthy eating plan, and regular physical activity. You may need to start taking diabetes medications, including insulin. If you are diagnosed with diabetes, its recommended that you learn how to check your blood sugars with a meter so that you and your health care team can determine how your treatment plan is working for you.
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Why Do Blood Sugars Matter In Diabetes
A key part of managing diabetes involves checking blood sugars, or glucose levels.
In type 1 diabetes , a persons pancreas does not produce the insulin they need. In type 2 diabetes , the body may not make or use insulin correctly anymore.
For either T1D or T2D, ensuring glucose levels stay as level as possible is the goal. Sometimes insulin or diabetes medications are used based on the type of diabetes and personal needs. Many factors affect glucose levels, including food, exercise, insulin, medications, stress, etc.
Glucose level targets may vary for everyone based on their unique needs.
Blood Sugar Levels Chart Ranges
There are advanced treatments and home remedies available in todays time that make checking and managing blood sugar levels easy. However, there is another problem and that is the ease of availability of processed foods, alcohol, and lack of physical activity.
As people do not have enough time to cook or exercise, they consume more processed food and do not exercise, this increases the risk of developing diabetes. But, if you exercise regularly and consume healthy and nutritious food then you can overcome this health issue.
So, all you have to do is just focus more on your health by losing weight with exercise and eating right.
According to the statistics of the World Health Organisation¹ , every year over 1.6 million Americans dies due to diabetes. Now you can imagine, how many millions of people die every year due to diabetes all over the world.
Fortunately, with the help of modern treatment and testing machines, blood sugar levels can be checked regularly and lives can be saved.
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Important Facts About Blood Sugar
- Glucose is a simple sugar and is one of the primary molecules which serve as energy sources for both plants and animals(3Trusted Source
- Uncontrolled or high blood sugar levels can lead to health complications such as blindness, heart disease and kidney disease.
- Find out if you are at risk for developing diabetes by using our Diabetes Risk Assessment calculator
- Increase or decrease in the glucose level in the blood can lead to a condition called “diabetic coma”.
- Consume foods with a low Glycemic Index to keep the blood sugar levels in check and lowers the risk of developing type 2 diabetes. Use our Glycemic Index Calculator to know more about low glycemic index foods.
Is 135 Blood Sugar Level High In The Morning
Blood sugar levels exceeding 126 mg/dL in the morning indicate hyperglycemia. If you take the blood sugar reading on an empty stomach in the morning, and it still shows you glucose levels exceeding the 126 mg/dL mark, it highlights hyperglycemia. You should report it to your doctor and start timely treatment.
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Normal Blood Sugar Levels In People Above The Age Of 20
In young adults and adults above 20 who do not have diabetes, the regular blood sugar levels should be as follows:
- In healthy young adults who do not have diabetes, the fasting blood glucose levels should typically be between 70 and 90 mg/dL.
- As per research, a fasting blood glucose level that is above 90 mg/dL can increase the risk of cardiovascular disease in young adults.
- In healthy adults who do not have diabetes, the blood glucose levels should be lower than or 140 mg/dL.
What Is The Normal Blood Sugar Level For Teens
Teenagers are recommended to have a blood sugar range between 70-150 mg/dL. Itâs not easy for a teenager to maintain a tight range, therefore itâs important to aim for these numbers to give them a bit more flexibility.
- Fasting: 70-150 mg/dL
- Postprandial : Less than 140 mg/dL
- Bedtime: 90-150 mg/dL
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Recommended Blood Sugar Targets
For people with type 1 diabetes, the American Diabetes Association recommends that blood sugar targets be based on a person’s needs and goals. Talk to your doctor and diabetes educator about these goals. A general guideline is:
Before meals, your blood sugar should be:
- From 90 to 130 mg/dL for adults
- From 90 to 130 mg/dL for children, 13 to 19 years old
- From 90 to 180 mg/dL for children, 6 to 12 years old
- From 100 to 180 mg/dL for children under 6 years old
After meals , your blood sugar should be:
- Less than 180 mg/dL for adults
At bedtime, your blood sugar should be:
- From 90 to 150 mg/dL for adults
- From 90 to 150 mg/dL for children, 13 to 19 years old
- From 100 to 180 mg/dL for children, 6 to 12 years old
- From 110 to 200 mg/dL for children under 6 years old
For people with type 2 diabetes, the American Diabetes Association also recommends that blood sugar targets be individualized. Talk to your doctor and diabetes educator about your goals.
In general, before meals, your blood sugar should be:
- From 70 to 130 mg/dL for adults
After meals , your blood sugar should be:
- Less than 180 mg/dL for adults
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. Ig the value is high, retest
- 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:
- 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.
Blood sugar can vary greatly depending on when you take it. For example, after 1 hour, a reading of at least 180mg/dl can indicate signs of gestational diabetes, while a blood sugar reading after 3 hours would need to be 140 mg/dl would be cause for concern.
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How To Test For Ketones
You can use a urine test strip or blood ketone meter and ketone test strip to test for ketones at home. Testing either urine or blood is important, but when possible, a blood test is preferred because it gives you and your care team more precise information about your ketone levels. Because urine may have been in the bladder for some time, the results from these tests may show levels that are either higher or lower than the ketone levels that are actually circulating in your body. It is also very important to know that urine test trips degrade over time, so if you are using this method, you need to look at expiration dates carefully.
Your diabetes care team can give you specific directions about when you should check for ketones, but in general, you should check for them when your blood glucose is 240 mg/dL or higher. You should also check for ketones if you notice any of the DKA symptoms listed above or if you are sick it is possible to have ketones while your blood glucose levels are within range .
At-home urine test strips will change color to show the level of ketones in the urine. They typically report results as negative, trace, small, moderate or large. Blood ketone meters will provide a number that indicates the ketone levels. The following ranges are generally used:
How Is Blood Glucose Monitored
If youre diagnosed with diabetes, youll be asked to monitor your blood glucose levels daily to determine the amount of glucose in your blood. Your diabetes health care team will work with you to determine the best times during the day to test your blood glucose and to find the monitoring device that best suits your needs. There are many accurate blood glucose meters available, and theyre simple to operate. You prick your finger with a lancet and apply a drop of blood to a treated strip. A glucose meter then reads the strip and displays the value.
Monitoring blood glucose and making appropriate changes offers a more independent, self-sufficient approach to diabetes management. Research indicates that complications associated with diabetes may be reduced if blood glucose levels are kept near normal. Blood glucose monitoring can help you:
- Make changes in your daily diet, medications or activity
- Identify low blood glucose levels
- Control blood glucose during illness
Continuous glucose monitoring technology uses a wearable or implantable sensor to monitor blood sugar levels and communicate data via a phone app or receiver-style device. Personal CGM devices are considered the standard of care for patients with Type 1 diabetes and are increasingly common for those with Type 2 diabetes. CGM technology allows patients to view their results in real time and for those results to be shared with their doctor.
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Get Help Monitoring Your Blood Sugar Levels With Nutrisense And Our Dietitians
Itâs important to note that no governing body has established exactly what 24-hour glucose using a CGM should be, but this is an area of ongoing research! We know that using the CGM to track glycemic variability offers insight into the swings in glucose throughout the day that are missed in a lab value or A1C.
CGM devices measure interstitial glucose levels . In contrast, a blood test measures glucose in the blood/plasma. While interstitial glucose and blood/plasma glucose levels are correlated, they are different measurements, so diagnoses are not made while wearing the CGM.
To find out about this and much more, sign up for one of the programs at NutriSense. Using a continuous glucose monitor can help you learn more about your body and address and prevent various health issues. With a NutriSense subscription, you can use these continuous glucose monitors with an innovative app that tracks your blood glucose levels in real-time. Thereâs also a team of credentialed dietitians and nutritionists to help you read and understand the data.
Consequences Of Blood Sugar Levels
Whilst most symptoms of low and high blood sugar levels are mild, they can worsen if left untreated and sometimes have long term consequences and/or complications. Overtime, a high blood sugar level is what can cause consequences. Lack of treatment can cause severe damage to the blood vessels and lead to complications such as:
- Damage to the eyes and/or loss of vision
- Nerve problems in the feet leading to infections
To avoid long term consequences and complications, it is advised to take all precautionary measures and treat your blood sugar level so that it can be maintained at your ideal reading. So do so, follow all treatment methods, stay on track with checking your level daily and seeking help if symptoms persist.
If you have any more questions, here are a few of the most frequently asked questions which may answer your concerns:
- Under 10 mmol/l
The above levels, for people diagnosed with type 2 diabetes, are the general goals set by the American Diabetes Association and the American Association of Clinical Endocrinologists.
As suggested earlier, there is some variation in the blood sugar levels goals set by different organizations. And additionally, your physician or healthcare team may set your goals at a more stringent level.
For instance, fasting levels:
- Between 70-100 mg/dL or 4-5.6 mmol/l
- 70-110 mg/dL or 4-6 mmol/l
- 70-130 mg/dL or 4-7.2 mmol/l
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If You Have An Acute Illness
Acute illnesses such as infections can affect your ability to control diabetes and can lead to serious diabetic complications, such as ketoacidosis, hyperosmolar coma and severe dehydration. Your health care provider will give you instructions about how to care for diabetes during acute illnesses, and you can learn to avoid acute complications through patient education.
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What Causes High Blood Sugar Levels
Managing diabetes is like a three-way balancing act because you have to watch:
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 youre supposed to or not taking the right amounts
- having an illness, like the flu
- taking other kinds of medicines that affect how your diabetes medicines work
A single high blood sugar reading usually isnt 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 isnt 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 Maximum Limit Of Random Blood Sugar
Your sugar levels can go very high. However, the normal range for a random reading would be between 90-150mg/dL. At times, after a heavy or carb-filled lunch, the random sugars might be even higher. Most often than not, the normal range for random blood sugar is often followed by most people who stick to a routine of regular diet and physical exercise. However, incessant eating of sugary items, greater body fats, etc might lead sugar levels to even go up to the level of 600/700. This level of hyperglycemia can often have devastating consequences.
Check Your Blood Sugar Often
Checking your blood sugar levels often and writing down, or using an app to track the results will tell you how well you are managing your diabetes. Talk to your doctor and diabetes educator about how often you should check your blood sugar.
- Not everyone with diabetes needs to check their blood sugar every day. But some people may need to check it many times a day.
- If you have type 1 diabetes, check your blood sugar at least 4 times a day.
Usually, you will test your blood sugar before meals and at bedtime. You may also check your blood sugar:
- After you eat out, particularly if you have eaten foods you don’t normally eat
- If you feel sick
- Before and after you exercise
- If you have a lot of stress
- If you eat too much
- If you are taking new medicines that can affect your blood sugar
Keep a record for yourself and your provider. This will be a big help if you are having problems managing your diabetes. It will also tell you what works and what doesn’t work, to keep your blood sugar under control. Write down:
- The time of day
- The amount of carbohydrates or sugar you ate
- The type and dose of your diabetes medicines or insulin
- The type of exercise you do and for how long
- Any unusual events, such as feeling stressed, eating different foods, or being sick
Many glucose meters let you store this information.
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