Skip to main content

GOV.UK uses cookies to make the site simpler. Find out more about cookies

GOV.UK
Search
  1. Home

Hypoglycaemia and driving

You must tell DVLA if you have hypoglycaemia.

You can be fined up to £1,000 if you don’t tell DVLA about a medical condition that affects your driving. You may be prosecuted if you’re involved in an accident as a result.

Car or motorcycle licence

Fill in form DIAB1 and send it to DVLA. The address is on the form.

Read the guide to filling in form DIAB1.

Bus, coach or lorry licence

Fill in the form that’s appropriate for how your diabetes is controlled:

  • insulin
  • sulphonylurea or glinide tablets (or both)
  • other tablets or non-insulin injections

Ask your nurse or doctor if you don’t know what type of medication you’re on.

Send your completed form to DVLA. The address is on the form.

Read leaflet INS186 to apply for vocational entitlement to drive larger vehicles (C1, C1E, D1, DIE, C, CE, D or DE).

Elsewhere on GOV.UK

  • Surrendering your driving licence
  • Check if a health condition affects your driving
  • Medical conditions, disabilities and driving
  • Reapply for a driving licence following a medical condition

Help us improve GOV.UK

Don’t include personal or financial information like your National Insurance number or credit card details.

Services and information

  • Benefits
  • Births, deaths, marriages and care
  • Business and self-employed
  • Childcare and parenting
  • Citizenship and living in the UK
  • Crime, justice and the law
  • Disabled people
  • Driving and transport
  • Education and learning
  • Employing people
  • Environment and countryside
  • Housing and local services
  • Money and tax
  • Passports, travel and living abroad
  • Visas and immigration
  • Working, jobs and pensions

Departments and policy

  • How government works
  • Departments
  • Worldwide
  • Policies
  • Publications
  • Announcements

Support links

  • Help
  • Cookies
  • Contact
  • Terms and conditions
  • Rhestr o Wasanaethau Cymraeg
  • Built by the Government Digital Service

Open Government Licence

All content is available under the Open Government Licence v3.0, except where otherwise stated

© Crown copyright