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Type 2 Diabetes - What Happens

Type 2 diabetes is a lifelong disease that affects the way your body uses food for energy. The disease develops when the cells of the body become resistant to insulin or when the pancreas camera cannot make enough insulin. Insulin is a hormone that helps your body's cells get needed energy from sugar. When insulin is not able to do its job, too much sugar builds up in your blood. Over time, this extra sugar in your blood can lead to problems with your eyes, heart, blood vessels, nerves, and kidneys.

Type 2 diabetes usually develops in adulthood. But more and more children are being diagnosed with type 2 diabetes. Often people who have type 2 diabetes are overweight and get little or no physical exercise.

Sometimes type 2 diabetes develops so slowly that you do not have symptoms until you already have some more serious problems from the disease. Many people have prediabetes-when blood sugar levels are above normal but not high enough to have diabetes-for years before they know they develop type 2 diabetes. For more information on prediabetes, see the topic Prediabetes.

After you know that you have type 2 diabetes, you will work with your doctor and other health professionals to develop the best treatment plan for you. Treatment usually includes eating healthy foods and spreading carbohydrate throughout the day, exercising regularly, checking your blood sugar levels often, and possibly taking medicine. Working closely with your doctor and other health professionals can help you feel better and more in control of your disease. You can help prevent or delay more serious health problems by keeping your blood sugar within your target blood sugar range.

As time goes on, your pancreas may make less and less insulin, which can make it harder to control your blood sugar level. It is important to treat your high blood sugar early anytime your blood sugar level rises above what is safe for you. Treating high blood sugar early can help prevent:

  • A hyperosmolar state, which is a life-threatening event that can happen when the blood sugar level is very high. It can occur when a person with type 2 diabetes has an illness, such as a severe case of the flu or other infection; has a heart attack; is not drinking enough liquids and becomes dehydrated; or takes medicines (diuretics) that increase fluid loss or affect mental alertness, especially if liquids are not replaced.
  • Long-term diabetes complications, which result from damage to the body's tissues. Persistent high blood sugar can damage the eyes (diabetic retinopathy camera), kidneys (diabetic nephropathy), nerves (diabetic neuropathy), heart (leading to a heart attack), and blood vessels (leading to strokes, peripheral arterial disease, and possibly amputation).

WebMD Medical Reference from Healthwise

Last Updated: October 19, 2010
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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Is This Normal?

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Check Your Blood Sugar Level Now
What type of diabetes do you have?
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Answer:

Your level is currently NormalHigh (hyperglycemia).Low (hypoglycemia).

If the level is below 70 and you are experiencing symptoms such as shaking, sweating or difficulty thinking, you will need to raise the number immediately. A quick solution is to eat a few pieces of hard candy or 1 tablespoon of sugar or honey. Recheck your numbers again in 15 minutes to see if the number has gone up. If not, repeat the steps above or call your doctor.

People who experience hypoglycemia several times in a week should call their health care provider. It's important to monitor your levels each day so you can make sure your numbers are within the range. If you are pregnant always consult with your health care provider.

If the level is below 70 and you are experiencing symptoms such as shaking, sweating or difficulty thinking, you will need to raise the number immediately. A quick solution is to eat a few pieces of hard candy or 1 tablespoon of sugar or honey. Recheck your numbers again in 15 minutes to see if the number has gone up. If not, repeat the steps above or call your doctor.

People who experience hypoglycemia several times in a week should call their health care provider. It's important to monitor your levels each day so you can make sure your numbers are within the range. If you are pregnant always consult with your health care provider.

Your blood sugar level is slightly high. You should call your health care provider and ask if laboratory tests to check for diabetes are needed. If you are pregnant always consult with your health care provider.

Congratulations on taking steps to manage your health.

However, it's important to continue to track your numbers so that you can make lifestyle changes if needed. If you are pregnant always consult with your physician.

Your level is currently normal. However, if you are concerned about diabetes speak with your physician. There may be other risk factors that increase your risk for diabetes.

Your level is high if this reading was taken before eating. Aim for 70-130 before meals and less than 180 two hours after meals.

Even if your number is high, it's not too late for you to take control of your health and lower your blood sugar.

One of the first steps is to monitor your levels each day. If you are pregnant always consult with your physician.

Your blood sugar level may be high, depending on when you last ate. If you have not eaten for at least 8 hours, your blood sugar should be less than 100. If you've eaten within the last 2 hours, your blood sugar should be less than 140. You should call your health care provider and ask if you need laboratory tests to check for diabetes. If you are pregnant always consult with your health care provider.

Blood sugars consistently above 180 warrant prompt medical attention.

Even if your number is high, it's not too late for you to take control of your health and lower your blood sugar.

One of the first steps is to monitor your levels each day. If you are pregnant always consult with your physician.

Your blood sugar level is high. You should call your health care provider and ask if laboratory tests to check for diabetes are needed. If you are pregnant always consult with your health care provider.

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