Monday, September 26, 2022

Why Is My Blood Sugar High After Fasting

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The Impact Of Hormones

High Fasting Blood Sugar Levels on a Keto Diet

Hormones can have an impact on your fasting glucose levels. Hormones like cortisol and growth hormone are released in the morning to get your body ready for the day ahead. These also increase glucose levels.

Usually your body counteracts these by releasing some insulin to help keep your glucose levels within a tight bandwidth. In type 2 diabetes, insulin is being released but its not working very well. This leaves your glucose levels susceptible to rising above normal levels.

This can be difficult to control but it still represents an inability of your body to control its own glucose levels. Without diabetes, your fasting glucose levels would not go high at any time throughout the day. Therefore, this too represents a progression of the disease.

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  • Rob M. van Dam, PHD,
  • Wilrike J. Pasman, PHD and
  • Petra Verhoef, PHD
  • 1Department of Nutrition and Health, Faculty of Earth and Life Sciences, Vrije Universiteit, Amsterdam, the Netherlands
  • 2Physiological Sciences Department, TNO Nutrition and Food Research, Zeist, the Netherlands
  • 3Wageningen Center for Food Sciences, Nutrition and Health Program, Wageningen, the Netherlands
  • 4Division of Human Nutrition, Wageningen University and Research Center, Wageningen, the Netherlands
  • Address correspondence and reprint requests to Dr. R.M. van Dam, Department of Nutrition and Health, Faculty of Earth and Life Sciences, Vrije Universiteit Amsterdam, de Boelelaan 1085, 1081 HV Amsterdam, Netherlands. E-mail: rob.van.damfalw.vu.nl

    How To Control Blood Sugar With Intermittent Fasting

    If youd like to try intermittent fasting for blood sugar control, there are a few things for you to consider, especially if you have diabetes.

    Choose an intermittent fasting plan that wont cause you stress. During your fast, your insulin levels decrease. In response, your body releases hormones from your liver, one of which is the stress hormone, cortisol. Cortisol tells the liver to release more glucose. So if youre in a state of stress, or if you have diabetes, your liver is more likely to over-react and release more glucose than you need. As a result, your blood sugar levels will increase.

    If youre your blood sugar goes up, and you havent eaten, its likely your liver release glucose into your bloodstream. Exercise is a vital way to utilize sugar in your blood and help your body return to a fat-burning state.

    Its uncommon, but fasting can cause you to experience hypoglycemia or low blood sugar. If you have diabetes, this can potentially be dangerous since diabetes medications already put you at risk for low blood sugar. Talk to your doctor about your intent to start a fast, especially if youre on diabetes medications. Its possible for you to fast safely when your doctor manages your diabetes medications appropriately.

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    Fasting Blood Sugar Level

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    Blood Sugar Testing At Home

    Reasons for High Blood Sugars in the Morning

    A person can test their blood sugar levels at home.

    In most cases, doctors ask people to measure fasting blood sugar immediately upon waking and before they have anything to eat or drink. It may also be appropriate to test blood sugar before eating or sometimes 2 hours after a meal when blood sugar has returned to normal levels.

    The right time to test is dependant on treatment goals and other factors. For example, most people with diabetes do not need to test between meals unless they are using a diabetes drug that can lower blood sugar. Other people may test between meals if they feel their sugar levels may be low.

    Since they do not make any insulin, some people with type 1 diabetes need to test several times a day. They do this because they need to check their levels regularly in order to adjust their insulin dose at that time.

    To do the blood sugar test, a person will:

    • Prepare the testing strip and glucose monitor to be ready for the blood sample.
    • Clean the testing area, usually the side of a fingertip, using an alcohol swab.
    • Lance the testing area. Bracing against a firm surface can help with the impulse to pull away.
    • Squeeze the testing area around the wound to maximize blood flow.
    • Squeeze a drop of blood onto the test strip.
    • Put the strip into the monitor.
    • Record the time, blood sugar reading, and recent food intake in a log.

    Blood glucose monitoring kits for use at home are available for purchase online.

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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 Stay In Target

    Eating healthy, exercising and taking medication, if necessary, will help you keep your blood sugar levels within their target range. Target ranges for blood sugar can vary depending on your age, medical condition and other risk factors.

    Targets are different for pregnant women, older adults and children 12 years of age and under.

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    Causes Related To Personal Health

    Insulin resistance

    This condition occurs when the cells in your muscles, fat, and liver are unable to use the glucose in your bloodstream for energy. Your pancreas responds to this increase in glucose by producing more insulin to help your body process it. This excess amount of insulin in the bloodstream can eventually cause your body to lose insulin sensitivity or build resistance to it, leading to higher blood glucose levels.

    Bodyweight and body fat

    Research connects being overweight and having a higher body fat percentage with high blood glucose levels. In fact, a high body fat percentage might be a clearer indicator of high blood sugar and diabetes than weight or body mass index .

    Other health conditions

    Certain conditions could make you more likely to have high blood glucose. These include Cushingâs disease, polycystic ovarian syndrome , and gestational diabetes. Blood glucose may also rise as the result of common illnesses like a head cold or the flu.

    Hormonal changes

    It isnât just stress and sleep that can cause fluctuations in hormones. Illness, physical pain and trauma, menopause or menstruation can as well. In any of these instances, your blood glucose levels may rise due to the changes in your hormone levels.

    Medications

    Gut issues

    A growingbody of research links imbalances in the microbiota living in our guts to an inability to regulate glucose levels in the blood. This is sometimes due to antibiotic use or infection.

    Genetics

    Maintain A Healthy Weight

    Why High Blood Sugar Levels Won’t Come Down On Keto & Intermittent Fasting? Dr.Berg

    According to the American Diabetes Association, maintaining a healthy weight can help reduce your risk of developing high blood glucose and diabetes. If youâre working toward a healthy weight, the ADA recommends creating a sustainable routine you can stick with and focusing your efforts toward realistic goals.

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    Hashimotos Fasting And Keto

    I believe there is a way to reverse Hash! I feel so much better on keto and IF than any treatment over the past three years. Have you had any patients reversing Hashi with this program?

    Thank you so much for all your work for all of us,Martha

    Answer: I dont see Hashimotos very frequently so dont have much experience. Fasting and low carb diets usually drop insulin so are effective for diseases of excessive insulin such as obesity, type 2 diabetes and PCOS. However, it may also have a smaller effect on inflammation so it may certainly benefit Hashimotos as well, but there are no studies to prove this, and I have only limited clinical experience with Hashimotos.

    Dr. Jason Fung

    Why Doctors Order It

    A fasting blood glucose test is done to screen for prediabetes and diabetes. It also helps doctors monitor diabetes and determine if medications and dietary changes are having an effect .

    Your fasting blood glucose level is the lowest your blood sugar can be because the influence of recent meals is minimized .

    Fasting blood sugar is often checked alongside HbA1c , which is a measure of your blood sugar levels over the past three months. The more sugar there is in the blood, the more it will attach to hemoglobin, raising HbA1c .

    Taken together, the two offer more information than each test alone. For example, even if your blood sugar levels are very high at one random point, they may have been mostly low over the past couple of months . On the other hand, HBA1c could be higher but your glucose levels at the moment lower.

    Apart from diabetes, abnormal levels can point out issues such as insulin resistance, hormonal imbalances, and pancreatic, liver, or kidney disease.

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    Measuring Blood Sugar Balance

    So, as you can see, it is not as simple as looking at a single isolated blood sugar value when determining if your elevated fasting blood sugar is a reason for concern. If your blood sugar is concern to you, there are a number of other values that are actually much more helpful. These include:

    Fasting Insulin: A high fasting insulin will be a sign of insulin resistance, especially accompanied by an elevated blood sugar

    Hemoglobin A1C : Gives insight into blood sugar balance over the last 3 months, an elevated value would signify poor blood sugar control and potentially diabetic conditions

    C-Reactive Protein: An inflammatory marker highly correlated with blood sugar, an elevated value would signify poor blood sugar balance as well as potential increased risk of several chronic diseases

    HOMA-IR: This is a key measurement for understanding insulin resistance. HOMA-IR is actually a simple equation that multiplies fasting glucose by fasting insulin . This total is then divided by 405. The following ranges are then compared:

    Less than 1 = Optimal Insulin Sensitivity

    Above 1.9 = Early stage insulin resistance

    Greater than 2.9 = Significant Insulin Resistance

    Essentially, HOMA-IR looks at the relationship between insulin and glucose in your body rather than each as a separate value. I learned about the HOMA-IR and got the ideas for this graphic below from our friends at Heads Up Health.

    Sugar Release From The Liver

    Why Is My Blood Sugar High In The Morning After Fasting ...

    Usually, our liver releases a few grams of sugar, depending on body weight, per hour, into our blood to stabilize the blood sugar when were not eating. Insulin is normally released when the blood glucose values are high to suppress the release of sugar as it wouldnt actually be needed if the blood sugar is already high. Since people with Type 2 Diabetes often have insulin resistance, which means that the insulin can no longer work properly, the liver releases much more sugar into the blood than needed. All this sugar would then have to be transported to the muscle cells and consumed with the help of insulin. As these cells dont have a high need for sugar, particularly in the night while sleeping, its accumulated in the blood and this results in high blood sugar values in the morning.

    Additionally, various hormones play a trick on us. Theyre the opponents to the hormone insulin and to really get you going in the morning, these hormones are produced in the second half of the night.

    Thats why we need more insulin to transport the sugar into the cells in the early morning hours than for example at noon. Therefore, a breakfast with less fast carbs and a little bit more protein can help reduce the increase of blood sugar values. The beloved white wheat roll with strawberry jam is therefore, rather, something better off saved for special days. ?

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    Why Are Fasting Blood Sugars Higher Than Postprandial

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    Whether youve been diagnosed with diabetes or simply monitor your blood sugar levels to track your health, fasting and postprandial blood glucose levels are frequently measured. Since your fasting blood sugar is taken before eating a meal and your postprandial blood sugar is taken after the meal, your fasting level should be lower than your postprandial level. But if the numbers are reversed and your fasting blood sugar levels are higher than your postprandial levels, it could indicate a serious health problem.

    Possible Ways To Try To Lower Fasting Levels

    • Go for a walk after your evening meal exercise has a insulin type effect on the bodys cells which can impact many hours after and so may help lower fasting levels
    • Eat less carbohydrates in your evening meal although remember that it is important to still eat sufficient carbohydrates to avoid ketosis, so carbs must not be completely cut from the meal
    • Drink plenty of water take a glass of water to bed and have a drink when waking in the night
    • Eat a bedtime snack eating a snack before bed has been the biggest success with ladies in our support group. A snack which is high in protein and natural fat is believed to work best. Start with something like a couple of oatcakes and cheese, or a Ryvita with peanut butter. If this does not impact fasting levels, then try a high protein snack without the starchy carbohydrates
    • Apple cider vinegar drink 2 tbsp apple cider vinegar at bedtime with 1 oz of cheese. A small study9 in type 2 diabetic patients found that drinking 2 tbsp of apple cider vinegar and eating 1 oz cheese lowered fasting levels by 4%

    Some ladies with gestational diabetes have had great success with apple cider vinegar and so its worth trying if you have the stomach for it!

    Please note: As vinegar is acidic, it is advisable to dilute it in some water and brush teeth after consuming

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    Is Having High Blood Glucose Dangerous

    Why are my Morning Fasting Blood Sugar Levels high?

    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.

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    Immediate Things To Do When Blood Sugar Won’t Come Down

    With Type 1 diabetes, high blood sugar levels, especially > 250 mg/dl, mean it’s time to test for ketones in the urine. Don’t wait to take the test. If they are high, you are in ketosis. Call your doctor.

    Exercising will not burn up the ketones. Drinking more water will help temporarily until you know what your doctor wants you to do. Continue taking blood sugar readings every half hour to inform your doctor of your progress.

    Upswing: Steroids And Water Pills

    People take corticosteroids, such as prednisone, to treat rashes, arthritis, asthma, and many other conditions. But they can boost your blood sugar, and may even trigger diabetes in some people. Diuretics that help high blood pressure, also called water pills, can do the same. Some antidepressants also raise or lower blood sugar.

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    What Should I Do If My Blood Sugar Gets Too High

    High blood sugar is also called hyperglycemia . It means that your blood sugar level is higher than your target level or over 180. Having high blood sugar levels over time can lead to long-term, serious health problems.

    If you feel very tired, thirsty, have blurry vision, or need to pee more often, your blood sugar may be high.

    Check your blood sugar and see if it is above your target level or over 180. If it is too high, one way to lower it is to drink a large glass of water and exercise by taking a brisk walk. Call your health care team if your blood sugar is high more than 3 times in 2 weeks and you dont know why.

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