12 Signs Your Blood Sugar is Too High | April 25, 2025

Monitoring blood sugar isn’t just for people diagnosed with diabetes—it’s essential for everyone.

Imbalanced blood sugar can cause a range of health issues, some of which you might already be experiencing without even realizing it. In this article, we will uncover 12 signs that indicate high blood sugar, discuss the potential risks, and provide practical tips on managing your levels effectively.

Understanding Blood Sugar

Blood sugar, also known as blood glucose, is crucial for your body’s functioning. It is the main fuel for your cells, providing the energy you need to perform daily activities. Your body regulates blood glucose levels through insulin, a hormone which is produced by the pancreas. Simply put, your pancreas releases insulin and ensures there is enough insulin to transport glucose into your cells.

Yet, as this process is disrupted (such as when your cells have insulin resistance and can’t uptake insulin properly), it can result in high blood sugar, also known as hyperglycemia.

High Blood Sugar Symptoms

1. Constant Thirst

When your blood sugar levels are high, your kidneys work overtime in order to filter and absorb the excess sugar. This can cause dehydration, making you feel constantly thirsty.

2. Frequent Urination

This is another indication of high blood sugar. This might not seem like a big deal at first, but it could be one of the more dangerous signs that your blood glucose level is too high. When glucose remains in the system for a longer time, it can draw water from just about every organ within your body, causing it to shrink slightly.

A loss of water will result in dryness throughout the entire system, including the bladder, which means you’ll have to go more frequently than usual. You might have to urinate up to 20 times in a single day even when your body doesn’t need the water, especially concerning those whose kidneys are already affected by diabetes.

Staying hydrated is an important part of maintaining healthy blood sugar levels throughout the system, so ensure you’re drinking enough fluids every day.

3. Extreme Hunger

While you might think that increased hunger is a sign of low blood sugar, it can also indicate high levels and complications with moving that glucose into your cells to be used. When your body can’t effectively use the glucose in your blood, it signals your brain that you need more food, causing you to feel hungrier than usual.

4. Fatigue and Weakness

Your kidneys work harder when there is excess glucose present in your body which lead to fatigue and exhaustion. It can also lead to drowsiness and sleepiness.

In addition, you might feel tired due to the changes in hormone levels that come with high blood sugar levels. The adrenaline your body produces when it needs energy is often absent because of the excess glucose levels, which will contribute to feelings of lethargy or exhaustion.

5. Blurred Vision

High blood sugar can lead to the lenses in your eyes to swell, leading to blurred vision. If you notice changes in your eyesight, it might be time to check your blood sugar levels.

6. Slow Healing Wounds

If you notice that wounds and bruises take a long time to heal, it could be an imbalance in your blood sugar level. High levels will cause the body’s immune system to become weakened, which means it won’t be able to fight off infections properly or recover from injuries as quickly.

7. Frequent Infections

High blood sugar can weaken your immune system, making you more susceptible to infections such as gum, skin infections or urinary tract. If you notice that you are getting infections more often than usual, it could be a sign of high blood sugar levels.

8. Numbness and Tingling

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