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Exercise and High Blood Sugar

Take steps to make sure you are safe doing exercise when you blood sugar is high.

You may be concerned about doing exercise if your blood sugar is high. Most of the time, exercise will help lower your blood sugar. 

Follow the steps below to do exercise safely when your blood sugar is high.

  1. Make sure you are not ill (cold, infection) and have taken your diabetes medicines as prescribed.
  2. Check your blood sugar before you start. If you blood sugar is above 16.7 mmol/L only do light intensity exercise for 15 to 20 minutes.
  3. Recheck your blood sugar. If your blood sugar is less than what you started with keep doing your exercise. If your blood sugar is higher than what you started with stop doing exercise for the day.
  4. Drink a lot of water unless your doctor has told you to limit your fluids.
  5. Notice signs of high blood sugar. If you notice any of the signs of high blood sugar stop doing exercise.
  6. Recheck your blood sugar after doing exercise.
Last Reviewed: 10/16/2016