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How Do You Feel When Your Blood Sugar Is Too High?

It’s important to understand the little cues our bodies give us as we navigate the complex terrain of our health. The level of blood sugar is one such important signal, which is frequently linked to conditions like Diabetes. We explore the complex subject, “How Do You Feel When Your Blood Sugar Is Too High?” in this article.


Deciphering the intricacies around this common concern provides a gateway to understanding the intricate interplay between our emotional and physical well-being. Examining the effects of high blood sugar—from the more subtle indicators to the more pronounced symptoms—is an attempt not only to raise awareness of health issues, but to empower ourselves with the knowledge required for proactive well-being as well. Come along on this informative journey with us as we explore the subtleties of how our bodies react to high blood sugar.



Feelings of fatigue can be greatly influenced by high blood sugar levels, which can have an adverse effect on people’s general health, particularly for those who have Diabetes. The following explains why having too high blood sugar can cause fatigue:


Energy Imbalance

High blood sugar impairs the body’s ability to use glucose as fuel effectively, resulting in fatigue and tiredness.



Dehydration results from increased urination brought on by elevated blood sugar. Fatigue and low energy are caused by dehydrated cells.


Insulin Resistance

Diabetes can cause the body to become resistant to insulin, which prevents cells from absorbing glucose. Fatigue is exacerbated by the higher blood sugar levels caused by this insulin resistance.



Chronically elevated blood sugar levels can set off a body’s inflammatory response, which leads to fatigue as your immune system fights off the perceived threat.


Impaired Sleep

According to studies, people with Diabetes may have trouble sleeping, which makes them feel more fatigued.


Cellular Damage

Extended elevation of blood sugar levels can harm nerves and blood vessels, impairing cellular function generally and making people feel fatigued.


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Increased Thirst and Urination

Increased thirst and frequent urination are warning signs that your blood sugar level is elevated. This phenomenon is frequently related with Diabetes, in which increased blood sugar levels cause a cascade of effects on the body. Increased urination results from the kidneys’ attempt to flush out extra glucose when blood sugar levels are too high. In addition, the body reacts to dehydration by increasing thirst simultaneously. A hallmark symptom of hyperglycemia is this interaction between the body’s attempt to restore fluid balance and dehydration.

For those who have Diabetes or are at risk, it is critical to understand these symptoms because they indicate the need for blood sugar monitoring and lifestyle changes. Managing blood sugar with diet and lifestyle modifications is the first step towards treating the underlying cause of increased thirst and urination. Being aware of these warning signs enables people to take proactive measures for improved glucose regulation and general health.


Blurred Vision

One important and frequently unsettling symptom that people who have high blood sugar levels encounter is blurred vision. The effect on the eye’s lenses is a link between elevated blood sugar and visual impairment. The lenses may swell when blood sugar levels rise, causing changes in vision and ultimately blurred vision. For people with Diabetes, this occurrence is especially troubling because elevated blood sugar levels can cause the lenses to swell with fluid, clouding and distorting vision. Maintaining regular blood glucose levels is essential to reduce the risk of blurred vision since the swelling can impair the eye’s ability to function correctly.


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Being irritable may indicate that your blood sugar level is elevated, particularly in those who have Diabetes. It is generally known that there is a complex link between blood sugar levels and mood fluctuations, including irritation. Anxiety, restlessness, and irritability are among the symptoms of mood disorders that can arise from a surge in blood sugar levels.

The effects of high blood sugar on the brain provide the physiological explanation. Changes in glucose levels have an impact on neurotransmitters, which are essential for mood regulation. Moreover, as cells find it difficult to use glucose efficiently, the body’s reaction to insulin resistance may exacerbate irritation.

Controlling blood sugar levels becomes essential to avoid hyperglycemia-related irritation. Stable blood sugar levels can be maintained and irritation can be reduced with regular monitoring, adherence to a balanced diet, and integration of physical exercise into daily routines.

People who are aware of the link between irritation and elevated blood sugar are better equipped to manage their Diabetes and enhance their general well-being.


Difficulty Concentrating

Finding difficulty in concentrating could be an indication of high blood sugar, especially in those who have Diabetes. Hyperglycemia, or high blood sugar, can cause a number of symptoms, including cognitive difficulties.


Impaired Brain Function

There are effects of elevated blood glucose on brain function. For the brain to function at its best, a constant supply of glucose is necessary, but too much of it can upset this equilibrium and make it difficult to concentrate.


Dehydration and Blood Flow

Increased urination is frequently associated with hyperglycemia, which may result in dehydration. Dehydration can cause a reduction in blood volume, which in turn affects the brain’s ability to receive oxygen and nutrients, which can lead to cognitive difficulties.


Effects on Neurotransmitters

Blood sugar fluctuations can have an impact on neurotransmitters, which are the brain’s chemical messengers. The disruption of communication among brain cells can have an impact on cognitive processes and concentration.


Energy Drain

Increased urine and fatigue may follow as a result of the body’s attempt to flush out extra glucose. In turn, being fatigued can make it harder to concentrate and stay alert.


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Headaches are a possible sign of elevated blood sugar, especially in those who have Diabetes. There are a number of reasons why headaches and high blood sugar are related. These include:



Dehydration is frequently the result of excessive urination brought on by high blood sugar. Due to decreased fluid levels in the body, dehydrated people may experience headaches.


Blood Vessel Changes

Blood vessels may experience changes in their structure and function as a result of high blood sugar. This change in the blood vessels could be a factor in headaches.


Neurological Impact

Blood sugar fluctuations have the potential to affect the nervous system and cause headaches. Because the brain depends on a stable supply of glucose, imbalances can disrupt neurological processes.


Inflammatory Response

Elevated blood sugar levels have been linked to inflammation in the brain as well as other parts of the body. Headaches are linked to inflammation, which can make them worse and occur more frequently.


Individual Sensitivity

Some people might be more sensitive to changes in blood sugar, which makes them more likely to experience headaches when blood sugar levels are high.


Dry Mouth and Skin

If you have Diabetes, especially during times of high blood sugar, you may notice symptoms such as dry mouth and skin. There are several reasons why these symptoms and hyperglycemia have such a complex relationship:



Dehydration results from excessive urination caused by high blood sugar. Dehydration can cause parched skin and a dry mouth.



Diabetes may result in neuropathy (damage to the nerves), which impairs the function of the salivary glands and the regulation of skin moisture. Dehydration of the skin and mouth is partly caused by neuropathic changes.


Poor Circulation

Increased blood sugar can affect circulation, which can affect how well nutrients and moisture reach skin cells. Dry and flaky skin may result from this.


Impaired Gland Function

Diabetes may affect the salivary glands’ ability to produce saliva, which may result in dry mouth. Similar effects may occur with sweat glands, which would impact the moisture of the skin.


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Increased Hunger

Polyphagia, or feeling excessively hungry, can be a warning indication of high blood sugar, particularly for those who are managing Diabetes. In order to understand the relationship between increased hunger and hyperglycemia, it is necessary to examine the physiologic processes involved in this phenomenon:


Insulin Deficiency

Insufficient insulin prevents cells from using glucose, which raises blood sugar levels in diabetics. This increases the feeling of hunger because the body interprets it as a lack of energy.


Cellular Starvation

Insulin resistance may prevent cells from getting the energy they require even because of high blood sugar. The brain interprets this cellular deprivation as a signal to increase hunger in order to make up for perceived energy deficiencies.


Hormonal Imbalance

Diabetes can lead to disruptions in the hormones insulin and leptin, which regulate appetite. An increase in feelings of hunger may result from this imbalance.



Dehydration is frequently the result of hyperglycemia-induced increased urination. This could be misinterpreted by the body as hunger, which would increase the need to eat.



High blood sugar, which is common among diabetics, can cause a range of symptoms that affect a person’s emotional and physical health. The physical toll is substantial, ranging from increased thirst and chronic fatigue to irritation and blurred vision. Other symptoms that highlight the significance of preserving optimal blood sugar levels include headaches, dry mouth, and difficulty concentrating. Since managing blood sugar levels effectively is essential to minimising complications related to Diabetes, recognising these symptoms is critical for timely intervention. A holistic approach to ensuring overall wellness and health for persons navigating the challenges of Diabetes must include regular monitoring, lifestyle changes, and consultation with healthcare specialists.


To learn more about Diabetes, check out our other related blogs:

Do I Have Diabetes?

How To Treat Diabetes Using Iridology

What Are The 10 Early Warning Signs Of Diabetes?

Practical Ways To Treat And Prevent Diabetes Naturally

What You Need To Know About Diabetes

What Are The First Signs Of Diabetes?




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