Is Having High Blood Glucose Dangerous
In short, it can be. Zanini says that untreated high blood glucose can lead to a wide range of health issuesâsome of the most common being chronic inflammation, heart disease, vision impairment, kidney disease, nerve damage, tooth decay, damaged blood vessels, and periodontal disease.
Having high blood glucose also puts us at risk of mitochondrial dysfunction and oxidative stress. The former is a condition in which mitochondria fail to produce energy for cells. The latter occurs when free radicals outnumber antioxidants in the body and increase the risk of disease and other damage.
Phipps notes to avoid these risks, catching high blood glucose early on, then taking action to treat it is extremely important.
Low Blood Glucose: Hypoglycemia
Hypoglycemia can occur when blood glucose drops below normal levels or drops too quickly. Your blood glucose level is too low if it is under 70 mg/dL.
Hypoglycemia can be caused by:
- A combination of these factors
- Being more active than usual
- Drinking alcohol
- Eating at the wrong time for the medications you take
- Skipping or not finishing meals or snacks
- Taking too much diabetes medication
You can have hypoglycemia without any symptoms. That makes it important to check your blood glucose levels regularly. When hypoglycemia does cause symptoms, they can include:
- Being sweaty
Are You At Risk For High Blood Sugar How To Know
- Eat too many processed or fast foods
- Dont exercise regularly
- Eat large meals, or engage in binge eating
- Are under a lot of stress on a regular basis, either from work, dating, or another factor
- Have recurring illnesses
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Whats Considered High Glucose In A Blood Test
If your doctor asked you to avoid eating and drinking for several hours before your blood test, you likely had what’s called a fasting blood sugar test. According to Mayo, a fasting blood glucose test result of less than 100 milligrams per deciliter is considered normal. If your result was between 100 and 125, your doctor may evaluate you for prediabetes, and if your result was 126 or higher, your doctor likely will evaluate you for diabetes.
What Does High Glucose Mean
First of all, high glucose means that you need to take action – either prevent prediabetes / diabetes type 2 or diabetes complications – depending on the ranges your blood sugar levels fall within. If your blood sugar levels are still within pre-diabetes ranges you may reverse the condition by normalizing your diet and increasing physical activities. Read more what high glucose means.
High blood sugar means that your are on your way to diabetes or may already have it. However, the condition can be reversed. The earlier you take action the greater the chance to get back to healthy blood sugar levels.
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How Do I Prepare For The Plasma Glucose Level Test And How Are The Results Interpreted
To get an accurate plasma glucose level, you must have fasted for at least 8 hours prior to the test. When you report to the clinic or laboratory, a small sample of blood will be taken from a vein in your arm. According to the practice recommendations of the American Diabetes Association, the results of the blood test are interpreted as follows:
Fasting blood glucose level
- If your blood glucose level is 70 to 99* mg/dL . . .
- What it means: Your glucose level is within the normal range
*Values between 50 and 70 are often seen in healthy people
**The condition of “prediabetes” puts you at risk for developing Type 2 diabetes, high blood pressure, and blood lipid disorders
Last reviewed by a Cleveland Clinic medical professional on 02/21/2018.
What Is Type 2 Diabetes
Decreasing insulin production leads to an accumulation of glucose in the bloodstream. This condition worsens gradually over time. In the end, it develops into type 2 diabetes. It is also a root cause of certain nervous and circulatory system diseases.
This condition can be caused by several factors, such as:
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Symptoms Of Blood Blood Sugar Levels
Symptoms of blood sugar levels differ depending on if it is high or low. To determine which way the blood sugar have moved, the symptoms for each are typically:
|High Blood Sugar Symptoms|
|Slow healing wounds||Turning pale|
If symptoms are left untreated, more extreme circumstances can happen such as fainting, weakness, disorientation, vomiting and dehydration. When you notice symptoms, usually more than one at one time, it is advised to see a doctor right away.
It is important to get the right treatment so that you can return to a healthy normal blood sugar level and inhibit it from occurring again.
Treatment methods vary from the severity of the blood sugar level, whether it is high or low and if the patient has existing medical conditions, such as diabetes. Here are ways in which blood sugar levels can be treated:
Example : Pet Or Positron Emission Tomography
PET or positron emission tomography is a great example. This type tomography is actually based on the ability of cancer cells to use more energy and so absorb glucose from your blood stream at faster rates than healthy cells do.
Before the scan the patient gets an injection of a small amount of a radioactive sugar . This substance is often referred to as tracer. Then the scanner shows the areas with the highest concentration of the radioactive tracer is in your body. This type of tomography does not provide such a high-definitoin picture as a normal CT does but it is able to spot even smallest tumors that might remain unnoticed on an ordinary CT.
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Diabetes Medication That Can Help You Control Your Blood Sugar
If youve been diagnosed with diabetes, your doctor will likely discuss medication options to help bring your blood sugar down. If you have prediabetes, on the other hand, youll probably rely on diet and lifestyle changes to help stabilize your numbers, though in some cases, you may need medication, Dodell says.
Diabetic ketoacidosis is treated with emergency insulin and fluids administered intravenously. But the goal with blood sugar control is to prevent this type of medical emergency from happening in the first place. If your blood glucose readings are consistently higher than usual, you may not be getting enough insulin. Talk to your doctor about adjusting your dosage. You should also tell them about any other prescription or over-the-counter medication you take, as these could affect your blood sugar, too. Corticosteroids for inflammation are just one example.
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What Are The Signs & Symptoms Of Dka
The symptoms of diabetic ketoacidosis usually dont develop all at once they usually come on slowly over several hours. People who have DKA may:
- feel really tired
- feel really thirsty or pee way more than usual
- have a dry mouth and signs of dehydration
These symptoms are caused by the high blood sugar levels that usually happen before someone develops DKA. If the person doesnt get treatment, these signs of DKA can happen:
- abdominal pain
What Should My Blood Sugar Levels Be
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.
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High Blood Sugar Levels
If you have diabetes, you can find out if your blood sugar level is high by having a blood sugar test.
You may have regular tests by your care team or GP surgery, or you may have tests you can do at home.
|Type of test||High level|
|Test done by a health professional to check your blood sugar level over the last 2 or 3 months||48 mmol/mol or over|
|Test done by a health professional after not eating for a few hours||Over 7 mmol/L|
|Home test done after waking up or before eating||Over 7 mmol/L|
|Home test done at any other time||Over 11 mmol/L|
What Are Normal Blood Sugar Levels In Healthy Individuals
Blood sugar levels can either be normal, high, or low, depending on how much glucose someone has in their bloodstream. Glucose is a simple sugar thats present in the bloodstream at all times. Blood glucose levels can be measured at any time, for example, when someone fasts , before they eat, or after theyve eaten. A normal blood glucose level for adults, without diabetes, who havent eaten for at least eight hours is less than 100 mg/dL. A normal blood glucose level for adults, without diabetes, two hours after eating, is 90 to 110 mg/dL.
Many factors affect blood sugar levels throughout the day:
- Type of food consumed, how much, and when
- Physical activity
- Menstrual periods
An ideal blood sugar level for anyone without diabetes or prediabetes, regardless of age, in the morning should be less than 100 mg/dL. Remember, blood sugar levels can fluctuate throughout the day as a result of the factors previously mentioned.
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If You Regularly Have High Blood Sugar Levels
Having high blood sugar levels regularly is not something you should live with. This is because in the long-term it can increase your risk of developing diabetes complications, such as neuropathy and retinopathy.
If you notice that your blood sugar levels are often high, you should contact your diabetes healthcare team. They will review your treatment and provide you with advice on how to get your blood sugar levels back within your target range. This advice may include increasing your medication.
In the video below, Lynsey talks to Khalida about feeling anxious after getting a high blood sugar level reading. If youre finding it hard to deal with similar feelings, weve got information on emotional health that you may find helpful.
How To Prevent Hyperglycaemia And Lower Your Blood Sugar Levels
Testing your blood sugar levels regularly can help you spot the signs of hyperglycaemia. But there are some steps you can take to either prevent a hyper from happening or to bring down your blood sugar levels.
You can start by making sure you are aware of your carbohydrate portions and how they may be affecting your blood sugar levels after eating. Carb countingis one of the ways you can manage this. Avoid foods that have a high glycemic index and choose low GI foods that can help manage your blood sugar levels more effectively. Increase the fibre in your diet. This can help slow down carbohydrate digestion, which can help limit the rise in your blood sugars.
Try to maintain a healthy weight as this promotes regular blood sugar levels in the body. Be as active as possible, regular exercise can help your body process more of the sugar.
Remember to take your insulin and other diabetes medication, and always take them correctly. Continue to take your diabetes medication even if you are ill and not eating.
Concentrate on your emotional wellbeing, get a quality nights sleep and find ways to manage your stress. Stress can cause hormones to be released, which keep your blood sugar levels high.
If your blood sugar levels continue to be high, or youre unsure of what to do, contact your doctor for further guidance.
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Treating And Managing Hyperglycaemia
If your blood sugar level is slightly high for a short time, emergency treatment wont be necessary. But if it continues to rise you may need to act fast to avoid developing diabetic ketoacidosis .
If your blood sugar level is 15 mmol/l or more, you should check your blood or urine for ketones. If ketones are present, it is likely that you do not have enough insulin in your body. This means you may need to increase your dose or give yourself an extra dose. Talk to your diabetes team about how to do this if you are unsure.
You should also try to drink plenty of sugar-free fluids to prevent dehydration. And if you are feeling unwell, especially if you are vomiting, you should follow any sick day rules you have been given and contact your diabetes healthcare team for advice.
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:
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How To Calculate Your Blood Sugar Level: The Complete Guide
To get an accurate reading of your blood sugar level, the best and most effective method is using a glucose meter. This will involve a small prick in your finger so receive a blood sample. The strip is then inserted into the meter and tested.
You may be wondering what your reading should be. There is no normal reading, an ideal reading differs from person to person. Everyone will get different readings at different times of the day. However, there is a rough range to determining a low, normal and high blood sugar level. Blood sugar level is read in mmol/L, which stands for millimoles per liter. Here is a guide as to what an ideal reading is for each diabetic type and non-diabetic patients:
|4 5.9 mmol/L< 7.8 mmol/L||4 5.9 mmol/L< 7.8 mmol/L|
It is advised to check it regularly if you are concerned, show regular symptoms or have diabetes. You should check before meals, exercise, before bedtime and after driving. Everyone is different so it is best to ask your doctor if you are unsure how many times and when you should check your blood sugar levels.
Research shows that over 50% who try to estimate their blood sugar level reading are incorrect. This may be due to over underlying medical conditions that did not know they had or poor lack of judgement. Therefore, this suggests it is very important to test at home to check in on your levels regularly to avoid any unnecessary future complications.
Only Diabetics Get High Glucose Values
While a high glucose value can indicate diabetes, nondiabetics can also have higher values than normal. When researchers studied people wearing a continuous glucose monitor who did not have a diabetes diagnosis, they found 93% of individuals reached glucose levels that are considered dangerous, with 10% spending over 2 hours per day in these dangerous levels. Traditional glucose measurements, like a single point in time blood glucose value, are unable to capture these abnormalities.
There are actually several causes of high blood sugar unrelated to diabetes that the CDC recognizes. These include certain foods, like artificial sweeteners and coffee. Other factors like stress can do it, too. If you live with an endocrine or pancreatic condition, had surgery recently, or are experiencing intense physical stress , you may also see your glucose value rise.
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