Doing a test

You and I need to test our blood to see how much sugar (glucose) is in it.

To test your blood, you'll need to use a special machine, called a blood glucose meter. Your doctor or nurse will show you how to test and your mum and dad can also help you. 


Wash and dry your hands.












Prick your finger and squeeze out a blob of blood. 







Use your meter and look at the number. 









Write this number in your special book.
















Why can’t I get any blood out of my finger?

It’s easier to get a drop of blood if your hands are warm. So, just before you test, wash them with warm water or give your hands a shake to warm them up.

How can I make it hurt less?

Prick the side of your fingertip, not the end. Don’t use your thumb or first finger because they are more sensitive, so are more likely to feel sore than your other fingers. Plus, if they do get sore it will hurt each time you use them to do something – and you use your thumb and first finger more than your other fingers.

There are some prickers that you can use on other parts of your body (like the bottom of your thumb or your forearm), which some people say hurt less. Ask your doctor or nurse if these would work for you.

Why do I need to write down my test results?

If you write down your results it’s easier to keep a check on when you’re high, when your low and when you are just right. You may prefer to use a computer program to record your results. If you take the book or computer print out with you to your next clinic visit, your doctor or nurse can see if your diabetes is OK or if you need to change anything you are doing.


  • You will need to test your blood a few times every day to see how much sugar (glucose) is in there.
  • Testing gets easier the more you do it.
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