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Healtheuniversity > English > Diabetes College > Treat Diabetes > Manage Your Blood Sugar > Driving and Low Blood Sugar

Driving and Low Blood Sugar

Check your blood sugar before driving. Your blood sugar should be higher than 5 mmol/L. Check your blood sugar every 4 hours on long drives.

  • Carry a fast acting carbohydrate (such as sugar tablets, juice or pop) with you at all times so that you can treat low blood sugar quickly.
  • Your blood sugar must stay above 5 mmol/L for 45 minutes or longer before you drive if you just treated a low blood sugar episode.

Your blood sugar should be higher than 5 mmol/L if you are driving. This will prevent you from having low blood sugar while driving.

This is crucial information if you are taking insulin or a medicine from the Secretagogue class of medicines (like Glyburide).

Follow the tips below to stay safe while you drive.

  • Check your blood sugar before driving. Your blood sugar should be higher than 5 mmol/L.
  • Check your blood sugar every 4 hours on long drives.
  • Carry a fast acting carbohydrate (such as sugar tablets, juice or pop) with you at all times so that you can treat low blood sugar quickly.
  • Your blood sugar must stay above 5 mmol/L for 45 minutes or longer before you drive if you just treated a low blood sugar episode.
Last Reviewed: 10/16/2016