Report your medical condition (form CN1)

Report certain types of medical conditions to DVLA if you're a car driver or motorcyclist.



This file may not be suitable for users of assistive technology. Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email Please tell us what format you need. It will help us if you say what assistive technology you use.


Use this form to report these medical conditions:

Check the list of health conditions if yours isn’t listed.

Use a different form to report these conditions if you have a lorry, bus or coach licence.

Find out what happens after you tell DVLA.

Published 1 April 2012
Last updated 19 February 2019 + show all updates
  1. Essential tremor removed from medical conditions list and muscular dystrophy added.
  2. Updated pdf.
  3. Update to question 9 on Welsh version
  4. Updated PDF.
  5. Welsh PDF updated
  6. PDF updated
  7. Added translation
  8. PDF updated
  9. PDF updated
  10. Updated pdf
  11. Guillain Barré syndrome added to the list.
  12. A new question has been added (Q9).
  13. Changes have been made at Q4a.
  14. This form can now be used if you suffer from essential tremor.
  15. First published.