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Surprising Signs of High Blood Sugar You Shouldn't Ignore
18 Sep 2025 By Joshua J. Keith, D.O.

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Surprising Signs of High Blood Sugar You Shouldn't Ignore

High blood sugar, also known as hyperglycemia, is a condition that affects millions of people worldwide. Often associated with diabetes, elevated blood sugar levels can lead to serious health complications if left unmanaged. While some symptoms of high blood sugar are well-known, such as increased thirst and frequent urination, there are several surprising and often overlooked signs that can indicate your blood sugar levels are too high. Ignoring these subtle clues can be detrimental to your overall health. This article will delve into the surprising signs of high blood sugar and why it's crucial to recognize and address them promptly.

Why is Recognizing High Blood Sugar Important?

Before we dive into the less common symptoms, let's quickly recap why keeping your blood glucose levels in check is so vital. Prolonged periods of hyperglycemia can damage your blood vessels and nerves, leading to a cascade of health problems, including:

  • Heart Disease: Elevated blood sugar can contribute to the hardening of the arteries, increasing the risk of heart attacks and strokes.
  • Nerve Damage (Neuropathy): High blood sugar can damage the nerves, causing numbness, tingling, and pain, especially in the hands and feet.
  • Kidney Damage (Nephropathy): Over time, high blood sugar can impair kidney function, potentially leading to kidney failure.
  • Eye Damage (Retinopathy): High blood sugar can damage the blood vessels in the retina, increasing the risk of vision loss and blindness.
  • Foot Problems: Nerve damage and poor circulation in the feet increase the risk of ulcers, infections, and even amputation.

Therefore, early detection and management of high blood sugar are essential for preventing or delaying these serious complications.

Surprising Signs of High Blood Sugar

While the classic symptoms like increased thirst (polydipsia), frequent urination (polyuria), and unexplained weight loss are important, several less common signs can indicate that your blood sugar is consistently elevated.

  1. Persistent Skin Infections or Slow-Healing Wounds: High blood sugar can impair your immune system's ability to fight off infections. Even minor cuts and scrapes may take significantly longer to heal, and you may be more susceptible to skin infections like boils or fungal infections. The excess glucose in the blood provides a breeding ground for bacteria and fungi.

  2. Dry, Itchy Skin: While dry skin can be caused by various factors, persistent dryness and itching, especially if accompanied by other symptoms, can be a sign of high blood sugar. High blood sugar can draw moisture from the skin, leading to dryness and irritation. Moreover, poor circulation caused by hyperglycemia can exacerbate these issues.

  3. Blurry Vision: This goes beyond needing new glasses. Fluctuating blood sugar levels can affect the lens of your eye, causing temporary blurry vision. If you experience sudden and unexplained changes in your vision, especially if it comes and goes, it's essential to have your blood sugar checked. The lens's shape is affected by fluid shifts tied to glucose concentration.

  4. Fatigue and Irritability: While fatigue is a common complaint, persistent and unexplained exhaustion, coupled with irritability, can be linked to high blood sugar. When your body struggles to use glucose for energy, you may feel constantly tired, even after adequate rest. Additionally, fluctuations in blood sugar levels can affect mood and concentration. How To Regulate Blood Sugar 8 Science Backed Lifestyle Changes

  5. Recurring Yeast Infections: Women are particularly susceptible to yeast infections when blood sugar levels are high. Yeast thrives on sugar, so an excess of glucose in the body can create an ideal environment for these infections to flourish. This is not exclusive to women, as men can also develop yeast infections, albeit less frequently, as a sign of uncontrolled blood sugar.

  6. Numbness or Tingling in Hands and Feet: While this is a more commonly known symptom of nerve damage (diabetic neuropathy), it's often overlooked in its early stages. A subtle tingling or occasional numbness in your hands or feet could be an early warning sign of high blood sugar impacting your nervous system. Don't dismiss these sensations as merely "pins and needles."

  7. Stomach Problems: High blood sugar can affect the nerves that control digestion, leading to problems like gastroparesis (delayed stomach emptying). Symptoms can include nausea, vomiting, bloating, and abdominal pain. While these symptoms can have other causes, it's worth considering high blood sugar if you have other risk factors. Creating Your Blood Sugar Balance Key Factors Affecting Your Levels

  8. Erectile Dysfunction: Chronic high blood sugar can damage blood vessels and nerves that are crucial for erectile function. This can lead to difficulties achieving or maintaining an erection. While erectile dysfunction can have many causes, it's important for men to discuss this symptom with their doctor, especially if they have other risk factors for diabetes.

Risk Factors for High Blood Sugar

Understanding your risk factors for developing high blood sugar can help you be more proactive about monitoring your blood glucose levels and seeking medical attention if you experience any of the warning signs mentioned above. Key risk factors include:

  • Family History of Diabetes: If you have a close relative with diabetes, your risk of developing the condition is significantly higher.
  • Obesity or Overweight: Excess weight, especially around the abdomen, increases your risk of insulin resistance.
  • Sedentary Lifestyle: Lack of physical activity can contribute to insulin resistance and weight gain.
  • Unhealthy Diet: A diet high in processed foods, sugary drinks, and unhealthy fats can increase your risk of high blood sugar.
  • Age: The risk of developing diabetes increases with age.
  • Certain Medical Conditions: Conditions like polycystic ovary syndrome (PCOS) and gestational diabetes (diabetes during pregnancy) can increase your risk of developing type 2 diabetes later in life.
  • Certain Medications: Some medications, such as corticosteroids and some diuretics, can raise blood sugar levels.

What to Do If You Suspect High Blood Sugar

If you experience any of the surprising signs of high blood sugar mentioned above, especially if you have risk factors for diabetes, it's crucial to consult with your doctor. Your doctor can perform a simple blood sugar test to determine your glucose levels. Feeling Tired It Could Be Your Blood Sugar Here S Why

Here's a table summarizing common blood sugar tests and what the results might indicate:

Test Normal Range Potential Diabetes Range
Fasting Blood Sugar 70-99 mg/dL 126 mg/dL or higher
HbA1c (Average Blood Sugar over 2-3 months) Below 5.7% 6.5% or higher
Random Blood Sugar Varies depending on when last meal was consumed. 200 mg/dL or higher, with symptoms

If your test results indicate that you have high blood sugar or diabetes, your doctor will recommend a treatment plan. This may include:

  • Lifestyle Changes: Diet and exercise are cornerstones of managing blood sugar levels.
  • Medication: Oral medications or insulin may be prescribed to help lower your blood sugar.
  • Regular Monitoring: You may need to monitor your blood sugar regularly at home.

Preventing High Blood Sugar

While genetics play a role, many cases of type 2 diabetes can be prevented or delayed through lifestyle modifications. Here are some tips for preventing high blood sugar:

  • Maintain a Healthy Weight: Losing even a small amount of weight can significantly improve your blood sugar levels.
  • Eat a Balanced Diet: Focus on whole, unprocessed foods, including fruits, vegetables, whole grains, and lean protein. Limit sugary drinks, processed foods, and unhealthy fats.
  • Exercise Regularly: Aim for at least 30 minutes of moderate-intensity exercise most days of the week.
  • Manage Stress: Chronic stress can raise blood sugar levels. Practice stress-reduction techniques like yoga, meditation, or spending time in nature.
  • Get Enough Sleep: Lack of sleep can affect your body's ability to regulate blood sugar. Aim for 7-8 hours of quality sleep each night.

Conclusion

Ignoring the subtle signs of high blood sugar can have serious consequences for your health. By being aware of these surprising symptoms and understanding your risk factors, you can take proactive steps to manage your blood glucose levels and prevent or delay the development of diabetes and its associated complications. Early detection and management are key to living a long and healthy life. If you have any concerns about your blood sugar, don't hesitate to consult with your doctor. ```

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