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Diabetes High Blood Sugar Numbers

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Random Blood Sugar Test

Study: Average blood sugar numbers may need to be slightly higher for diabetes patients

This measures your blood sugar at the time youre tested. You can take this test at any time and dont need to fast first. A blood sugar level of 200 mg/dL or higher indicates you have diabetes.

Random Blood Sugar Test

140 mg/dL or below N/A

*Results for gestational diabetes can differ. Ask your health care provider what your results mean if youre being tested for gestational diabetes.Source: American Diabetes Association

If your doctor thinks you have type 1 diabetes, your blood may also tested for autoantibodies that are often present in type 1 diabetes but not in type 2 diabetes. You may have your urine tested for ketones , which also indicate type 1 diabetes instead of type 2 diabetes.

When Should You Check Your Blood Sugar Levels

Its important that people who suspect they have diabetes or pre-diabetes monitor their glucose levels regularly, checking at least once daily and charting the results in order to know what is normal for themselves. If it seems like something isnt quite right with ones blood glucose. It may be time to talk to a doctor about getting a diabetes diagnosis. Its also important that parents make sure their children are well aware of any symptoms of high or low blood sugar. So they know when they need to alert an adult about what might be going on if their parents are not around.

When To See A Healthcare Provider

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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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

Low Blood Sugar Chart And Action Plan

Know Your Blood Sugar Numbers, Part 2

Low blood sugar is also called hypoglycemia. The numbers below represent values in the hypoglycemic range and require action to bring blood sugar levels up into a normal range.

Alert Level and Treatment Plan
50 mg/dL or under Red Flag: Blood sugar is critically low and requires immediate treatment.

If a person is unable to speak and/or is not alert, treat with glucagon via injection or nasal spray. Call emergency medical response if necessary. Do not place food or drink into the mouth.

If a person is alert and able to speak clearly, treat with 15 grams of rapid-acting carbohydrate such as glucose gel, 4 oz regular soda, or fruit juice. Re-test blood sugar in 15 minutes and repeat as needed to bring blood sugar within range.

51-70 mg/dL Red Flag: Blood sugar is below normal levels and requires immediate treatment.

Treat with 15 grams of rapid-acting carbohydrate and re-test in 15 minutes. Repeat treatment as needed to bring blood sugar within range.

71-90 mg/dL Yellow Flag: Blood sugar levels should be watched and treated as needed.

If youre having symptoms of low blood sugar, treat with 15 grams of rapid-acting carbohydrate and re-test in 15 minutes.

Repeat treatment or follow with a meal. If it is meal time, move forward with eating the meal. People often fall into this range when they are late for a meal or have been especially active.

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Treatment For Type 1 Diabetes

The impairment of the pancreas ability to produce insulin in type 1 diabetes means that insulin treatment is necessary.

Most people will take insulin by injection with insulin pens. Insulin can also be delivered by wearing an insulin pump. Use of an insulin pump will be considered in people that express an interest in having one and that meet certain eligibility criteria.

It is important that you are given education on how to balance insulin doses with dietary intake and physical activity and how to use blood glucose testing to help you control your diabetes.

Staying physically active and exercising regularly and eating a healthy diet are also important towards maintaining good blood glucose control and minimising the risk of long term diabetes complications. Although diet and exercise have a role to play in type 1 diabetes management, they cannot reverse the disease or eliminate the need for insulin.

Managing Your Diabetes Devices

If you are using an insulin pump, talk to your diabetes team about how to best manage hyperglycemia. In general, be sure to check your pump first. Make sure all parts are connected and working correctly. Check your bolus history and temporary basal rate. Also check your insulin to make sure it has not expired or gotten too warm.

If you use a CGM, try not to react to it too often. You might be tempted to give another dose of insulin too soon, before the first one finishes working, which is known as stacking insulin this can cause low blood sugar .

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Normal Blood Sugar Levels After Eating For Diabetics

The American Diabetes Association recommends that the blood sugar 1 to 2 hours after the beginning of a meal be less than 180 mg/dl for most nonpregnant adults with diabetes. This is typically the peak, or highest, blood sugar level in someone with diabetes. Again, this target may need to be individualized for certain people based on such factors as duration of diabetes, age and life expectancy, cognitive status, other health conditions, cardiovascular complications, and hypoglycemia unawareness. Its important that people with diabetes discuss their target blood sugar goals with their healthcare provider.

When To Call For Medical Advice

Monitoring Blood Sugars – Diabetes Numbers

It is important to note that very high blood glucose levels can be dangerous and it is important to be aware of the symptoms and risk factors of the following conditions:

If you are struggling to keep your blood glucose levels under control, speak to your GP or consultant who can advise you or refer you onto a diabetes education course.

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The Big Picture: Checking Your Blood Sugar

Blood sugar monitoring is the primary tool you have to find out if your blood glucose levels are within your target range. This tells you your blood glucose level at any one time.

Its important for blood sugar levels to stay in a healthy range. If glucose levels get too low, we can lose the ability to think and function normally. If they get too high and stay high, it can cause damage or complications to the body over the course of many years.

The logging of your results is vital. When you bring your log to your healthcare provider, youll have a good picture of your body’s response to your diabetes care plan. To help keep track of your levels, we have a glucose log. We also have a blood glucose log available for purchase that is smaller so you can carry it with you.

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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Prevent Type 2 Diabetes

If your test results show you have prediabetes, ask your doctor or nurse if there is a lifestyle change program offered through the CDC-led National Diabetes Prevention Program in your community. You can also search for an online or in-person program. Having prediabetes puts you at greater risk for developing type 2 diabetes, but participating in the program can lower your risk by as much as 58% .

Why Your Blood Sugar Level May Be High

A1c

Based on the ADA guidelines above, if your blood sugar is above 180 mg/dL two hours after a meal, it is considered above the normal range. What might cause your glucose or blood sugar to rise? Consider the following factors:

  • Consuming more carbohydrates or a larger meal than usual
  • Not taking enough insulin or oral diabetes medication based on carbohydrates or activity levels
  • Reduced physical activity
  • Side effects from medications like steroids or antipsychotics

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Check Your Blood Glucose Levels

For many people with diabetes, checking their blood glucose level each day is an important way to manage their diabetes. Monitoring your blood glucose level is most important if you take insulin. The results of blood glucose monitoring can help you make decisions about food, physical activity, and medicines.

The most common way to check your blood glucose level at home is with a blood glucose meter. You get a drop of blood by pricking the side of your fingertip with a lancet. Then you apply the blood to a test strip. The meter will show you how much glucose is in your blood at the moment.

Ask your health care team how often you should check your blood glucose levels. Make sure to keep a record of your blood glucose self-checks. You can print copies of this glucose self-check chart . Take these records with you when you visit your health care team.

How To Prevent Hyperglycaemia

There are simple ways to reduce your risk of severe or prolonged hyperglycaemia:

  • Be careful what you eat be particularly aware of how snacking and eating sugary foods or carbohydrates can affect your blood sugar level.
  • Stick to your treatment plan remember to take your insulin or other diabetes medications as recommended by your care team.
  • Be as active as possible getting regular exercise can help stop your blood sugar level rising, but you should check with your doctor first if you’re taking diabetes medication, as some medicines can lead to hypoglycaemia if you exercise too much.
  • Take extra care when you’re ill your care team can provide you with some “sick day rules” that outline what you can do to keep your blood sugar level under control during an illness.
  • Monitor your blood sugar level your care team may suggest using a device to check your level at home so you can spot an increase early and take steps to stop it.

Page last reviewed: 08 August 2018 Next review due: 08 August 2021

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High Blood Sugar: Hidden Dangers

In the short term, high blood sugar levels can zap your energy, cause excessive thirst and urination, and blur your vision. High blood sugar levels can also lead to dehydration, dry and itchy skin, and infections. Minimizing the time spent above your target blood sugar range can help you feel your best and will help prevent complications and injury to your body.

Over time, high blood sugar affects many parts of the body. Chronic high blood sugar can start to cause noticeable changes, including:

  • Memory problems
  • Vision problems like blurriness, diabetic retinopathy, and blindness
  • Gum disease that leads to tooth loss, which can make eating healthy foods difficult due to problems chewing
  • Heart attack and stroke due to increased plaque build-up in the vessels and other vascular issues
  • Kidney disease, which can lead to the need for dialysis or a kidney transplant
  • Nerve damage that can cause decreased sensation in the feet and legs which increases the risk for wounds to turn into serious infections and even amputation

Nerve damage from high blood sugar can also cause a variety of symptoms including:

  • Pain and tingling in the feet and hands
  • Difficulty emptying your bladder
  • Problems during the digestion process after eating, which can cause food to sit in the stomach too long and lead to nausea, vomiting, and erratic blood sugar levels

Checking your blood sugar frequently and taking immediate action when it is above range can reduce your risk of complications.

Eat The Right Carbohydrates

High Morning Blood Sugar: What To Know

The two main kinds of carbohydrates simple and complex affect blood sugar levels differently.

Simple carbohydrates are mainly made up of one kind of sugar. They are found in foods, such as white bread, pasta, and candy. The body breaks these carbohydrates down into sugar very quickly, which causes blood sugar levels to rise rapidly.

Complex carbohydrates are made up of three or more sugars that are linked together. Because the chemical makeup of these kinds of carbohydrates is complicated, it takes the body longer to break them down.

As a result, sugar is released into the body more gradually, meaning that blood sugar levels do not rapidly rise after eating them. Examples of complex carbohydrates include whole grain oats and sweet potatoes.

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Tips For Avoiding High And Low Blood Sugars

Walking the tightrope of a life with diabetes is not easy.

We need to strive every day to make sure that we dont let our blood sugars go too high or too low, and that can be exhausting.

Here are some strategies to help keep your blood sugar in balance:

  • Eat similar foods and meals that have predictable carbohydrate counts
  • Cook food at home, so you know all of the ingredients in your meal
  • Keep to a routine, and eat at the same times every day
  • Get enough sleep!
  • Double-check your insulin doses to make sure youre not taking too much, nor too little
  • If youve counted carbohydrates for a meal and dosed insulin for those carbohydrates, eat everything

How Can One Tell If I Have Diabetes By Examining My Blood

Your body converts sugar, also called glucose, into energy so your body can function. The sugar comes from the foods you eat and is released from storage from your bodys own tissues.

Insulin is a hormone made by the pancreas. Its job is to move glucose from the bloodstream into the cells of tissues. After you eat, the level of glucose in the blood rises sharply. The pancreas responds by releasing enough insulin to handle the increased level of glucose moving the glucose out of the blood and into cells. This helps return the blood glucose level to its former, lower level.

If a person has diabetes, two situations may cause the blood sugar to increase:

  • The pancreas does not make enough insulin
  • The insulin does not work properly

As a result of either of these situations, the blood sugar level remains high, a condition called hyperglycemia or diabetes mellitus. If left undiagnosed and untreated, the eyes, kidneys, nerves, heart, blood vessels and other organs can be damaged. Measuring your blood glucose levels allows you and your doctor to know if you have, or are at risk for, developing diabetes.

Much less commonly, the opposite can happen too. Too low a level of blood sugar, a condition called hypoglycemia, can be caused by the presence of too much insulin or by other hormone disorders or liver disease.

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Blood Sugar Level Chart By Age

Blood sugar levels tend to rise with age due to an increase in insulin resistance and decrease in insulin sensitivity. In one study by the National Health Institute , each extra decade of age was linked to a 2.7 mg/dl increase in fasting glucose, and a 4.5 mg/dl increase in 2-hour post-prandial glucose levels.

Blood Sugar Levels During Pregnancy

Diabetes But Normal Blood Sugar

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

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