You can be fined up to £1,000 if you do not 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
You do not need to tell DVLA. You should stop driving for at least 1 month and only restart driving when your doctor tells you it’s safe.
Bus, coach or lorry licence
Fill in form VOCH1 and send it to DVLA. The address is on the form.
If you have valve surgery you must stop driving for at least 3 months and only restart driving when your doctor tells you it’s safe.