What is the diagnosis of Type 2 Diabetes Mellitus?

By  ,  Onlymyhealth editorial team
Oct 24, 2013

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Quick Bites

  • Doctor will question you about your family's history of the disease.
  • You will have to talk to him/her about the symptoms you experience.
  • A blood test may be recommended to confirm the diagnosis.
  • The blood test measures the level of glucose in the body.

Diabetes is a far spreading disease that affects men, women and children alike. If you are experiencing symptoms of the disease, it is important that you seek immediate medical help because only an early diagnosis can help you reduce the consequences of being a diabetic.

Type 2 diabetesType 2 diabetes mellitus is a medical condition in which the insulin becomes resistant. People affected by type 2 have pancreas that either does not produce enough insulin or the body fails to use the insulin adequately. When the insulin is not being used as it should be, the glucose or what is popularly called “sugar” can't get into the body's cells. The glucose then builds up in the blood instead of going into the cells, leaving the body’s cells to function erratically.



Diabetes is diagnosed by testing the blood for sugar levels. Blood is taken in the morning after you have fasted overnight. Typically, the body keeps blood sugar levels between 70 and 100 milligrams per deciliter (mg/dL) even after fasting. If the blood sugar level after fasting is greater than 125 mg/dL, the person is said to have diabetes.

Your doctor will examine you to look for signs that increase the risk of complications. These include:
•    obesity, especially abdominal obesity
•    high blood pressure
•    deposits or areas that have leaked blood on your retina
•    decreased sensation in the legs
•    weak pulses in the feet or abnormal pulses in the abdomen
•    blisters, ulcers or infections of the feet.

It is very important for a diabetic patient to get the diagnosis confirmed as soon as possible to get the treatment started immediately. If you experience symptoms similar to those of type 2 diabetes, make sure that you visit your general physician. After asking certain questions pertaining to your family history and symptoms experienced, he/she will recommend further tests to arrive at a confirmed diagnosis.


Blood and Urine Tests

When it comes to testing for diabetes, the doctor looks for presence of glucose in the blood or urine. In diabetics, the glucose can overflow from the kidneys into the urine. If your doctor sees that your urine sample has glucose in it, he/she will further ask you to undergo a specialised blood test, referred to as the glucose tolerance test. This test can finally confirm if you have diabetes or not.


Glucose Tolerance Test

A glucose tolerance test is also called an oral glucose tolerance test, which can show whether one’s body is going through problems processing the glucose or not. Before you undergo the test, it is important that you avoid to eat or drink certain types of fluids for at least 8-12 hours. If you take medications for any other medical problem, you will have to tell your doctor about it. This is critical because certain medications can dilute the urine.

Before the test is done, a blood sample is taken to measure the level of glucose present in it. Post this you will be given a glass of glucose drink followed by another measurement of the glucose level present in your blood after two hours.

Once your test results are out and if they are positive, you will be prescribed medications that will help you to reduce the blood glucose level and keep them under control.


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