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Health Information and Tools > Patient Care Handouts >  Learning About Type 1 Diabetes and Exercise

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Learning About Type 1 Diabetes and Exercise

Can you exercise if you have diabetes?

When you have diabetes, it's important to get regular exercise. It can help you manage your blood sugar level. You can still play sports, run, ride a bike, swim, and do other activities when you have diabetes.

How does exercise help when you have diabetes?

Getting regular exercise can help control your blood sugar.

Your body turns the food you eat into glucose, a type of sugar. You need this sugar for energy. When you have diabetes, the sugar builds up in your blood. But when you exercise, your body uses sugar. This helps keep it from building up in your blood and results in lower blood sugar and better control of diabetes.

Exercise may help you in other ways too. It can help you reach and stay at a healthy weight. It also helps improve blood pressure and cholesterol, which can reduce the risk of heart disease.

Exercise can make you feel stronger and happier. It can help you relax and sleep better. And it can give you confidence in other things you do.

Exercising safely when you have diabetes

Before you start a new exercise program, talk to your doctor about how and when to exercise. Some types of exercise can be harmful if your diabetes is causing other problems, such as problems with your feet. Your doctor can tell you what types of exercise are good choices for you.

Here are some general safety tips.

  • Take steps to avoid blood sugar problems.
    • Check your blood sugar before and after you exercise.
    • Ask your doctor what blood sugar range is safe for you when you exercise.
    • If you take medicine or insulin that lowers blood sugar, check your blood sugar before you exercise.
    • If your blood sugar is less than 5.5 mmol/L, you may need to eat a carbohydrate snack first.
    • Be careful when you exercise if your blood sugar is too high. Make sure to drink plenty of water.
  • Try to exercise at about the same time each day.

    This may help keep your blood sugar steady. If you want to exercise more, slowly increase how hard or long you exercise.

  • Have someone with you when you exercise.

    Or exercise at a gym. You may need help if your blood sugar drops too low.

  • Keep some glucose tablets or quick-sugar food with you.

    You may get symptoms of low blood sugar during exercise or up to 24 hours later.

  • Use proper footwear and the right equipment.
  • Pay attention to your body.

    If you are used to exercising and notice that you cannot do as much as usual, talk to your doctor.

Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse advice line (811 in most provinces and territories) if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.

For 24/7 nurse advice and general health information call Health Link at 811.

Where can you learn more?

Go to https://www.healthwise.net/patientEd

Enter C492 in the search box to learn more about "Learning About Type 1 Diabetes and Exercise".

Care instructions adapted under license by your healthcare professional. If you have questions about a medical condition or this instruction, always ask your healthcare professional. Healthwise, Incorporated disclaims any warranty or liability for your use of this information.

For 24/7 nurse advice and general health information call Health Link at 811.

Current as of: October 2, 2023

Author: Healthwise Staff

Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.