Understanding Type 2 Diabetes: Blood Sugar Levels and What’s Considered High

March 20, 2024

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Type 2 diabetes is a chronic condition that affects how your body uses sugar (glucose). It is important to control your blood sugar levels to stay healthy. When you have type 2 diabetes, your blood sugar can sometimes get too high. This is called hyperglycemia.

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What is Blood Sugar?

Sugar, or glucose, is the main source of energy for your body’s cells. Your body breaks down the food you eat glucose. A hormone called insulin glucose get into cells.

How Does Type 2 Diabetes Affect Blood Sugar?

When you havetype 2 diabetes, your body doesn’t use insulin properly. This is calledinsulin resistance Over time, your body may also not make enough. Both of these things can cause your blood sugar levels to get too high.

Understanding Sugar Levels in Type 2Diabetes

Are the Different Blood Sugar?

There are a few ways to measure your blood sugar

  • Fasting blood sugar: This is your blood sugar level before eating or drinking anything the morning.
  • Postpial blood sugar: This is your blood sugar level 1-2 hours after eating a meal.
  • HbA1c (hemoglo A1c): This test shows your average blood sugar levels over the past 2-3 months.

Target Blood Ranges for Type 2 Diabetes

Your doctor will tell you what target blood sugar range is right for you. Here are some general:

Time of TestTarget Blood Sugar Range
Fasting80-130 mg/d (4.4-7.2 mmol/L)
2 hours after eatingLess than 180 mg/dL (10 mmol/L)

Always talk to your doctor to set your own target sugar levels.: When is My Blood Sugar Considered High?

Blood Sugar Levels Requiring Immediate Action

Very high blood sugar be dangerous. Call your doctor right away if:

  • Your blood sugar is over 240 mg/dL (13.3 mmolL) for than 2 tests in a row
  • You have symptoms like frequent urination, extremeirst, blurry vision, or confusion

Understanding “High” Blood Sugar Means in the Long Term

Over time, high blood glucose levels can lead to serious problems like:

  • Heart disease
  • Kidney damage
  • Vision loss
  • Nerve damage

That’s why your blood sugar in your target range is so important.

Monitoring Your Blood Sugar

You can check your own blood sugar with a glucose meter. Ask your doctor how you should check Some people may need a continuous glucose monitoring (CGM) system.

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Tips for Managing Blood Sugar Levels in Type 2 Diabetes: Diet and Nutrition

Eating a healthy, balanced diet is key. Choose foods that don’t make your blood sugar rise too quickly, like:

  • Non-starchy vegetables
  • Whole grains
  • Lean protein
  • Healthy fats

Exercise and Physical Activity

Being active helps your body use insulin better. Aim for minutes of exercise most days. Talk to your doctor before starting a new exercise routine.


You may need medication to help control your blood sugar. Some common medications for type 2 diabetes include:

  • Metfor
  • Sulfonylureas
  • Thiazolidinediones
  • DPP-4 inhibitors
  • GLP-1 receptor agonists
  • Insulin

Always take your medications as directed by your doctor

Other Strategies

Other things that can control your blood sugar include:

  • Maintaining a healthy weight
  • Getting enough
  • Managing stress: Additional Resources and Support

For more information on managing type 2 diabetes, check out these resources:

You can also join a support group to with others living with type 2 diabetes.

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High blood is a serious concern when you have type 2 diabetes. By understanding your target blood sugar range and taking steps to control your levels, you can reduce your risk of complications. Always work closely with your healthcare team to manage your diabetes.


  • Type 2 diabetes can cause high blood sugar levels
  • High blood glucose over time can to serious health problems
  • Monitoring blood sugar and keeping it in your target range is key
  • A healthy diet, regular exercise, medication, and other lifestyle changes can help control blood sugar
  • Always consult your for personalized guidance on managing type 2 diabetes


What are the symptoms of high sugar?

Symptoms of high blood sugar can include frequent urination, extreme thirst, blur vision, fatigue, and confusion.

Can I lower my blood sugar levels without medication?

In some cases, blood sugar levels can managed through diet, exercise, and other lifestyle changes. However, many people with type diabetes need medication. Talk to your doctor about what’s right for you.

How often should I check my blood sugar?

How often you should check your blood sugar depends on your individual diabetes management plan. Your doctor will advise you on how often to check.

What happens if my blood sugar is consistently high?

Consistently high blood sugar can lead to serious complications over time, such as heart disease, kidney damage, vision loss and nerve damage.

How can I a healthy life with Type 2 Diabetes ?

You can live healthy life with type diabetes by:

  • Keeping your blood sugar in your target range
  • Eating a healthy diet
  • Getting regular exercise
  • Taking medications as directed
  • Getting regular check-ups with your healthcare team

Remember, working with your doctor the best way to manage your type 2 diabetes and prevent high blood sugar levels.

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