Diabetes and exercise: When to keep track of your blood sugar

Exercise is an crucial element of any diabetes remedy prepare. To prevent probable difficulties, check out your blood sugar ahead of, for the duration of and soon after exercise.

By Mayo Clinic Workers

Exercise is a important component of diabetes management. Exercise can help you:

  • Improve your blood sugar levels.
  • Improve your all round physical fitness.
  • Regulate your body weight.
  • Reduce your chance of heart disease and stroke.
  • Improve your well-currently being.

But diabetes and exercise pose special issues, too. To exercise securely, you will need to observe your blood sugar ahead of, for the duration of and soon after physical exercise. This will display you how your entire body responds to exercise, which can help you protect against potentially unsafe blood sugar fluctuations.

In advance of exercise: Verify your blood sugar ahead of your exercise

In advance of jumping into a physical fitness plan, get your doctor’s Ok to exercise — especially if you’ve got been inactive. Check with your health care provider how routines you happen to be thinking about might have an impact on your blood sugar. Your health care provider can also recommend the most effective time to exercise and demonstrate the probable effect of prescription drugs on your blood sugar as you develop into more lively.

For the most effective wellness benefits, specialists endorse at minimum one hundred fifty minutes a week of moderately extreme physical routines this kind of as:

  • Quick walking
  • Lap swimming
  • Bicycling

Professionals also endorse that kids — even those with type one diabetes — participate in at minimum 60 minutes of moderate to vigorous exercise each and every day.

If you happen to be using insulin or other prescription drugs that can trigger minimal blood sugar (hypoglycemia), examination your blood sugar 15 to 30 minutes ahead of doing exercises.

If you really don’t get prescription drugs for your diabetes or you really don’t use prescription drugs normally linked to minimal blood sugar levels, you probably will not need to get any particular safety measures prior to doing exercises. Verify with your health care provider.

Below are some common recommendations for pre-exercise blood sugar levels. The measurements are expressed in milligrams for each deciliter (mg/dL) or millimoles for each liter (mmol/L).

  • Decrease than one hundred mg/dL (5.6 mmol/L). Your blood sugar may well be too minimal to exercise securely. Try to eat a modest snack that contains 15 to 30 grams of carbs, this kind of as fruit juice, fruit, crackers or even glucose tablets ahead of you start your exercise.
  • one hundred to 250 mg/dL (5.6 to thirteen.9 mmol/L). You happen to be excellent to go. For most individuals, this is a harmless pre-exercise blood sugar array.
  • 250 mg/dL (thirteen.9 mmol/L) or increased. This is a caution zone — your blood sugar may well be too superior to exercise securely. In advance of doing exercises, examination your urine for ketones — substances produced when your entire body breaks down fat for strength. The existence of ketones suggests that your entire body would not have adequate insulin to management your blood sugar.

    If you exercise when you have a superior stage of ketones, you chance ketoacidosis — a significant complication of diabetes that requires immediate remedy. In its place of doing exercises immediately, get actions to suitable the superior blood sugar levels and hold out to exercise until finally your ketone examination suggests an absence of ketones in your urine.

Through exercise: View for signs of minimal blood sugar

Through exercise, minimal blood sugar is from time to time a concern. If you happen to be setting up a prolonged exercise, check out your blood sugar each and every 30 minutes — especially if you happen to be attempting a new exercise or increasing the intensity or length of your exercise. Checking each and every fifty percent-hour or so lets you know if your blood sugar stage is steady, rising or falling, and whether it truly is harmless to hold doing exercises.

This may well be hard if you happen to be taking part in out of doors routines or sports. But, this precaution is essential until finally you know how your blood sugar responds to adjustments in your exercise practices.

Halt doing exercises if:

  • Your blood sugar is 70 mg/dL (3.9 mmol/L) or lessen
  • You come to feel shaky, weak or perplexed

Try to eat or drink one thing (with about 15 grams of speedy-performing carbohydrate) to raise your blood sugar stage, this kind of as:

  • Glucose tablets or gel (check out the label to see how a lot of grams of carbohydrate these comprise)
  • one/2 cup (4 ounces/118 milliliters) of fruit juice
  • one/2 cup (4 ounces/118 milliliters) of standard (NON-diet plan) delicate drink
  • Hard candy, jelly beans or candy corn (check out the label to see how a lot of grams of carbohydrate these comprise)

Recheck your blood sugar 15 minutes afterwards. If it truly is nonetheless too minimal, have a different 15 gram carbohydrate serving and examination yet again 15 minutes afterwards.

Repeat as needed until finally your blood sugar reaches at minimum 70 mg/dL (3.9 mmol/L). If you have not completed your exercise, you can carry on as soon as your blood sugar returns to a harmless array.

Right after exercise: Verify your blood sugar yet again

Verify your blood sugar as soon as you end doing exercises and yet again quite a few occasions for the duration of the next several hrs. Exercise attracts on reserve sugar stored in your muscular tissues and liver. As your entire body rebuilds these outlets, it normally takes sugar from your blood.

The more intense your exercise, the lengthier your blood sugar will be influenced. Minimal blood sugar is feasible even four to 8 hrs soon after exercise. Obtaining a snack with slower-performing carbs, this kind of as a granola bar or path combine, soon after your exercise can help protect against a drop in your blood sugar.

If you do have minimal blood sugar soon after exercise, consume a modest carbohydrate-that contains snack, this kind of as fruit, crackers or glucose tablets, or drink a fifty percent-cup (4 ounces/118 milliliters) of fruit juice.

Exercise is advantageous to your wellness in a lot of strategies, but if you have diabetes, tests your blood sugar ahead of, for the duration of and soon after exercise may well be just as crucial as the exercise by itself.