If you get the warning symptoms of a hypo whilst driving, you must always stop as soon as it is safe to do so. Do not ignore the warning symptoms.
When you are driving you should:
- always carry your blood glucose meter and strips with you
- carry personal identification to show you have diabetes in case of an accident
- never drink and drive
- make sure your blood glucose meter displays the correct time and date so you have a record
If your blood glucose is 5.0 mmol/l or less, have a snack. If it is less than 4.0 mmol/l or you feel hypoglycaemic (low blood glucose), do not drive.
Legally, if you have diabetes and you drive you need to:
- check your blood glucose is above 5mmol/L before driving
- check your blood glucose every 2 hours if you're on a long journey
- carry a glucose meter, hypo treatment and carbohydrate snacks like a cereal bar or banana when driving
If you feel your levels are low
- Stop the car when it's safe
- Remove the keys from the ignition
- Get out of the driver's seat
- Check your blood glucose and if low, treat your hypo
- Do not drive for 45 minutes after you start to feel better
Insurance, driving licence and Type 1 diabetes
You need to let your insurance company and the National Driving Licence Service (NDLS) know you have Type 1 diabetes. This will not stop you driving, they just need to know you're on insulin.
There is more information in the NDLS booklet Diabetes and driving (PDF, 8 pages 584KB)