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What Does High Blood Sugar Do To Your Body


Can Cause Cardiovascular Diseases

How High Blood Sugar Damages YOUR Body?

Still linked to obesity, excess sugar can lead to an increased risk of heart disease. Studies show that obesity, high inflammation, and high triglyceride levels from diabetes are risk factors for cardiovascular diseases .

Besides high blood sugar and pressure levels in the body, excess sugar can be involved in the development of atherosclerosis, where your arteries clog from fatty deposits. Atherosclerosis affects blood transportation to and from the heart, which also leads to serious heart diseases such as stroke and heart failure .

What Is Diabetic Ketoacidosis

When the body doesn’t have enough insulin, glucose stays in the blood and can’t get into the body’s cells to be used for energy. This can happen, for example, when someone skips doses of insulin or when the need for insulin suddenly increases and the doses are not adjusted.

When the body can’t use glucose for fuel, it starts to use fat. When this happens, chemicals called ketones are released into the blood. Some of these ketones, like extra glucose, pass out of the body through the urine.


High levels of ketones in the blood can be a problem because they cause the blood to become acidic. Too much acid in the blood throws off the body’s chemical balance and causes the symptoms listed below. In people with diabetes, this problem is called diabetic , or DKA. DKA is a very serious condition that can lead to coma or death if it’s not treated. The good news, though, is that it’s preventable and can be treated.

DKA happens more often in people with type 1 diabetes, but can sometimes also happen to those with type 2 diabetes.

What You Can Do Now

Your doctor will provide you with clear steps to follow aimed at lowering your blood sugar levels. Its important that you take their recommendations to heart and make any necessary lifestyle changes to improve your health. If left untreated, hyperglycemia can lead to serious, and sometimes life-threatening, complications.

Your doctor may recommend that you buy a blood glucose meter to use at home. This is a simple and effective way to monitor your blood sugar and act quickly if your levels have spiked to an unsafe level. Being aware of your levels can empower you to take charge of your condition and live a healthy lifestyle.

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What Is Low Blood Glucose

Low blood glucose, also called low blood sugar or hypoglycemia, occurs when the level of glucose in your blood drops below what is healthy for you. For many people with diabetes, this means a blood glucose reading lower than 70 milligrams per deciliter .1 Your number might be different, so check with your doctor or health care team to find out what blood glucose level is low for you.

How Can I Treat Low Blood Sugar

How Does High Blood Sugar Level Affect your Body?

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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What Does Sugar Do To Your Body

Processed sugar is a type of refined carbohydrate thats quickly absorbed by the body as soon as you ingest it. When you consume more of it, the sugar can cause increased inflammation in the body, which may trigger all these negative side effects below.

Lets learn about the 16 negative side effects of high blood sugar.

Risk Factors For High Blood Sugar

Doctors do not know exactly what causes diabetes. Some factors may increase the risk, however.

Type 1 diabetes

Researchers believe certain genetic or environmental factors may make people more likely to get type 1 diabetes.


The National Institute of Diabetes and Digestive and Kidney Diseases say certain genes play a role, and other factors such as viruses and infections may have an impact.

The Juvenile Diabetes Research Foundation say that there is nothing a person can do to prevent type 1 diabetes. Eating, exercise, or other lifestyle choices will not change the outcome.

Type 1 diabetes usually begins during childhood or early adulthood, but it can happen at any age.

Type 2 diabetes

People who have high blood sugar should discuss their target levels with their doctor.


They may need regular testing to keep these within a healthy range. Each person is different and levels can vary between individuals.

To find out their blood sugar levels, the person may need to fast for 8 hours, 2 hours after a meal, or at both times.

Some people may also take a glucose tolerance test, in which they drink a sugary liquid and have a blood test after.

The American Diabetes Association recommend a pre-meal blood sugar level of 80130 milligrams per deciliter . Around 1 to 2 hours after the beginning of a meal, blood sugar should be less than 180 ml/dL.

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When To See A Doctor

If youre experiencing one or many of these symptoms enough for it to raise a mental red flag or affect your life , thats a sign that you should talk to a doctor about your concerns. An expert like a primary care provider can help determine if high blood sugar due to diabetes or prediabetes is the cause of your symptoms. Even if youre not sure thats exactly whats going on, its still worth having a conversation with your doctor about hyperglycemia and other possible causes behind your symptoms.

Youre Getting Yeast Infections More Often Than Usual

What Sugar Does To Your Body? 7 Negative Effects And Signs Of High Blood Sugar

Hyperglycemia may lead you to get more frequent genital yeast infections. The culprit is often a type of yeast known as Candida albicans, per the ADA. According to the Centers for Disease Control and Prevention, in females the symptoms can include: vaginal itching, redness or soreness pain during sexual intercourse pain or discomfort during urination and thick, abnormal vaginal discharge. While yeast infections are common in people who dont have diabetes, having more glucose in your blood puts you at higher risk of getting them. The yeast feeds off the glucose, and if your blood sugar is high theres more glucose in the urinary tract, explains Bandukwala. Uncircumcised men with hyperglycemia are also at risk, he says.

Were also seeing this happen a little more now with patients who take SGLT-2 inhibitors, which force the body to expel more glucose through the urine, the endocrinologist adds. The FDA has added a warning to the prescribing information for SGLT-2 inhibitors about a far more rare and potentially fatal genital condition, known as necrotizing fasciitis of the perineum, or Fourniers gangrene .

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Can Increase Your Risk Of Kidney Disease

The more sugar you consume, the more damage you could do within your bodys blood vessels, including those of your kidneys. Damage to the kidneys blood vessels can easily lead to kidney disease.


Alternatively, consuming more sugar also increases risk factors for kidney disease, such as increased serum uric acid levels and diabetes .

How Do Carbs Affect Blood Sugar

Carbs in food make your blood sugar levels go higher after you eat them than when you eat proteins or fats. You can still eat carbs if you have diabetes. The amount you can have and stay in your target blood sugar range depends on your age, weight, activity level, and other factors. Counting carbs in foods and drinks is an important tool for managing blood sugar levels. Make sure to talk to your health care team about the best carb goals for you.

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Fiber Helps Fight Type 2 Diabetes

From brown rice to black beans, whole-grain cereal, fruits, vegetables, and popcorn, fiber is a powerful ally in the fight against type 2 diabetes. Fiber-rich foods are digested more slowly, says Licalzi, so your blood sugar doesnt spike and you stay fuller longer. A 2019 review in The Lancet that included nearly 250 studies found that people who ate the highest amount of fiber had a 16% to 24% lower risk of dying from type 2 diabetes, heart disease, stroke, and colon cancer, compared with people who ate very little fiber.

However, Americans are not getting enough fiber in their diet. The U.S. Department of Agriculture recommends 25 grams a day for women and 38 grams a day for men, up to the age of 50. After 50, women should aim for 21 daily grams and men, 30 grams. The average American only eats an average of 10 to 15 grams of fiber a day.


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Can Increase And Accelerate Your Skin Aging Process

What Sugar Does To Your Body? 7 Negative Effects And Signs Of High ...

Besides the development of acne, sugar can also lead to wrinkles, which are a natural indication of aging. Sugar from carbohydrates and protein mix in the body to form AGEs compounds. These are Advanced Glycation End-products that play a trivial role in keeping your skin vibrant and young .

When you consume too much sugar, your skin may begin to age prematurely since AGEs increase in the body. As they increase, they cause more damage to collagen and elastin, which keeps your skin elastic and youthful. When collagen and elastin are damaged, the skin will no longer appear firm and begin to sag starting from the face and all over the body .

As for cellular aging, sugar can affect your DNA through the telomere structures found in your DNA chromosomes. Telomeres are molecules located at the end of your genetic chromosomes, which hold all or part of your genetic information. These telomeres act as shields, protecting your chromosomes from deteriorating or fusing so your body can naturally age .

With too much sugar intake, your telomeres might shorten faster than usual, causing them to malfunction, and this speeds up your aging process. The same applies to unhealthy lifestyle choices, which can also shorten your genetic chromosomes.


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High Blood Sugar And Your Skin

In serious cases, high glucose in the blood can set off an immune system response and release cytokines into the bloodstream. These cytokines are associated with inflammation and can lead to itchiness in diabetics, just as they can affect people with eczema or viral rash.The worry is that diabetics with itchy skin are at risk of nerve damage, so if youre diabetic and get itchy, please do check in with your diabetic team!Diabetes are also more at risk of dry skin, and that in itself can cause itchiness. High blood sugars pull fluid from the body and the skin loses the moisture it needs to repair its defences. A compromised skin barrier will lead to further moisture loss, damage and cracked skin. And that, in turn, leaves the skin more open to infection and external irritants which can cause inflammation and itchiness.

Its a vicious circle of dryness, damage and itch!

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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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 issues√Ęsome 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.

Yellow Reddish Or Brown Patches On Your Skin

What Sugar Does to Your Body

Necrobiosis Lipoidica

This skin condition often begins as small raised solid bumps that look like pimples. As it progresses, these bumps turn into patches of swollen and hard skin. The patches can be yellow, reddish, or brown.

You may also notice:


  • The surrounding skin has a shiny porcelain-like appearance
  • You can see blood vessels
  • The skin is itchy and painful
  • The skin disease goes through cycles where it is active, inactive, and then active again

necrobiosis lipodica.

Take action
  • Get tested for diabetes, if you have not been diagnosed.
  • Work with your doctor to better control your diabetes.
  • See a dermatologist about your skin. Necorbiosis lipodica is harmless, but it can lead to complications.

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What Are Blood Sugar Targets

A blood sugar target is the range you try to reach as much as possible. These are typical targets:

  • Before a meal: 80 to 130 mg/dL.
  • Two hours after the start of a meal: Less than 180 mg/dL.

Your blood sugar targets may be different depending on your age, any additional health problems you have, and other factors. Be sure to talk to your health care team about which targets are best for you.

Can Suppress Your Immune System

Multiple studies have linked drinking or eating too much sugar with a poor immune system where the body becomes vulnerable and cannot fight off bacteria. For as long as your body is under chronic inflammation caused by excess sugar intake, your bodys immunity will be compromised.


Studies in animals reveal that too much sugar affects your white blood cells and changes how they attack tumors in the body . The studies further reveal that bacteria and yeast feed on sugar content in the body hence, excess sugar levels cause bacterial and yeast organisms to build up, causing infections.

With an immune system that is not working at its best, your body will have a more difficult time fighting off infections and illnesses.

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What Are The Complications Of Low Blood Glucose

Mild-to-moderate low blood glucose can be easily treated. But severely low blood glucose can cause serious complications, including passing out, coma, or death.

Repeated episodes of low blood glucose can lead to

  • high blood glucose levels, if worry or fear of low blood glucose keeps you from taking the medicines you need to manage your diabetes8
  • hypoglycemia unawareness, a condition in which you dont notice any symptoms of low blood glucose until your blood glucose level has dropped very low

How Is High Blood Sugar Diagnosed

How To Recognize High Blood Sugar

There are different kinds of blood tests that can diagnose hyperglycemia. These include:

Random blood glucose: this test reflects the blood sugar level at a given point in time. Normal values are generally between 70 and 125 mg/dL, as discussed earlier.

Fasting blood glucose: this is a measurement of blood sugar level taken in the early morning prior to eating or drinking anything since the night before. Normal fasting blood glucose levels are less than 100 mg/dL. Levels above 100 mg/dL up to 125 mg/dL suggest prediabetes, while levels of 126 mg/dL or above are diagnostic of diabetes.

Oral glucose tolerance test: this is a test that measures blood glucose levels at given time points after a dose of sugar is consumed. This test is most commonly used to diagnose gestational diabetes.

Glycohemoglobin A1c: is a measurement of glucose that is bound to red blood cells and provides an indication about blood sugar levels over the past 2 to 3 months.

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Being Extra Thirsty And Having To Urinate More Than Usual

This is a common but not-so-obvious sign of blood sugar that is too high: feeling really thirsty and needing to drink more than usual. Excessive urination, known as polyuria, occurs when glucose builds up in your blood, and your kidneys begin working harder to get rid of the extra glucose, says Zanini. If your kidneys cant keep up and adjust blood sugar so that it returns to a normal level, the excess sugar is flushed out of your body through urine, she adds. You may become dehydrated and get dizzy.

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