High blood glucose levels, known as hyperglycaemia, can happen suddenly and can be very discomforting. Many individuals wonder what can be done to improve high blood glucose levels and this article will provide some answers to this concern.

All the following situations can make the blood glucose levels high.

  • Illness
  • Stress situations
  • Omission of blood glucose lowering medication such as tablets or insulin
  • Insufficient/miscalculated insulin dose

There are few things that are very important to keep in mind in this situation.

High blood glucose control can show different symptoms. The classic symptoms of high blood glucose levels are:

When experiencing these symptoms, it is very important to confirm your blood glucose level by doing a blood glucose testing.

If hyperglycaemia is confirmed here are the possible options that may help to bring blood glucose levels down:


If you are following flexible insulin regimen (basal-bolus), a dose of rapid acting insulin can be an option. Be aware that previous insulin dose may be in your system – usually rapid acting insulin last up to 6 units.

Omitted tablets

If you have forgotten to take your tablets, specifically gliclazide or glimepiride, before your previous meal and your next dose is still later on, you may take the full or half dose of the omitted medication at this point.

Gentle physical activity

Physical activity makes body cells to need more energy and be more sensitive to uptake glucose. That’s why physical activity such as walking can be a good option to control blood glucose levels.

High intensity exercise may help as well but usually some people can experience increase of blood glucose control in the first moments. For that reason it’s advised to follow a mild physical activity but it can vary from one person to person.

Drink Water

When blood glucose control is high, the human body flushes excess of glucose via the urine. Drinking water, consciously, can help the body to keep hydrate and continue to flush the glucose from the blood.

High blood glucose control can be very dangerous in some cases and is very important to know when to seek for specialised advice.

Hyperosmolar Hyperglycaemic State  is a short term complication most commonly associated with type II diabetes and is described by constant high blood glucose levels.

For individuals with type II diabetes, if blood glucose control is constantly high for more than one day, they are symptomatic and there is no improvements with the options above, specialised care should be seek at this point.

If individuals are not confident and comfortable to act upon high blood glucose control, following the above options, the best option is really to seek medical advice straight away.

After feeling better and recovered of this period of time of high blood glucose control, it is very important to understand the cause of the high levels. Query the possible reasons for this to happen: was it your food choices? Are you sick? Too stressed? Just exercised? Forgot your medication? After understanding the reason for this very frustrating situation, you can think about the solutions for it, reflecting on the options and possible plan ahead to avoid future episode to happen less frequently.

How is your blood glucose control at the moment? Have you ever had unexpected high blood glucose control and didn’t know what to do? Do you follow any other options to bring your blood glucose levels down? Share your experience.

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