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3 Important Tests for Diabetics

Diabetes is a chronic condition where the pancreas does not produce enough or produces no insulin thereby causing high blood sugar. People with diabetes are at high risk of complications that affect several parts of the body. Uncontrolled sugar is likely to affect eyes, feet, nerves, kidney, heart and liver. To avoid the risk of health complications one must get a full body checkup annually if you are diabetic or have prediabetes.

The three most important tests for diabetics are:


This is an important blood test to indicate if your sugar levels are in control. It is also called the haemoglobin A1c or glycated haemoglobin test.

How often to get this test?

A diabetic should get their HbA1c tested every three months.

Blood glucose gets bound to hemoglobin, that part is glycosylated hemoglobin. The life span of Red Blood Cells is 90 days, so the glycosylated haemolglobin survives for 90 days. When we check HbA1c, we check this glycosylated component and arrive at a value that gives us average blood glucose in past three months.

WHO recommends the following diagnostic guidelines:

  • HbA1c below 6.0%: Non-diabetic
  • HbA1c between 6.0–6.4%: Prediabetes
  • HbA1c of 6.5%: Type 2 diabetes

Random blood glucose plus occasionally an HbA1c test to support the diagnosis of Type 1 Diabetes.

One must check their sugar levels daily using a home a glucometer. Using a Smartphone connected glucometer is ideal as it lets you record all your sugar readings on a mobile app and analyze the data as well. This kind of monitoring keeps you on track. BeatO offers a Smartphone connected glucometer and useful features on its App.

Foot exam

Diabetes can cause nerve damage (neuropathy in feet), delayed healing of wounds and infections in feet. These can lead to severe damage in feet and in worst-case scenario even amputation. Proper foot care through wearing proper fitted shoes, keeping one’s feet clean, dry and well moisturized is important. Never use razors or let sharp objects injure your feet. Get such injuries treated right away.

How often to get a foot exam?

A diabetic foot exam that checks your feet for nerve damage or loss of sensation and any wounds should be done annually.

Retinopathy exam or eye exam

Diabetes is the leading cause of blindness in the world.

People with diabetes can have diabetic retinopathy. High blood sugar causes damage to blood vessels in the retina. Sometimes a person may have retinopathy but experience no symptom other than mild vision problems and therefore retinopathy in eyes may go ignored. However, if sugar remains uncontrolled this can become severe and blood vessels can swell, leak, stop blood from passing and overtime can even cause blindness.

How often to get an eye exam?

It is extremely important for diabetics to get an annual eye exam for diabetic retinopathy.

Besides the aforementioned tests; a diabetic should also check the following:

  • Blood pressure – if you have hypertension then check it once or twice a week at home. If you have high BP or been on medication for BP then check more frequently till it stabilizes.
  • Cholesterol / Lipid profile – Lipid profile annually or bi- annually based on your other health parameters and heart risk.

In general, a full body health checkup annually is recommended to be sure of all your parameters.

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