About This Page
This is a clinician-written, evidence-based summary aligned to the 2026 MLA Content Map. It is intended for medical students and junior doctors preparing for the UKMLA. Always cross-reference with NICE guidance, local protocols, and clinical judgement.
The Bottom Line
- It is the PATIENT's legal responsibility to notify DVLA of any medical condition that may affect their driving (Road Traffic Act 1988)
- Doctor's role: (1) advise patient of relevant conditions, (2) advise them to stop driving and notify DVLA, (3) if patient refuses → may disclose to DVLA (GMC guidance)
- Group 1 (car/motorcycle) vs Group 2 (HGV/bus): Group 2 has much stricter standards
- Key conditions: epilepsy (Group 1: seizure-free 12 months; Group 2: seizure-free 10 years OFF medication), diabetes (on insulin → notify), cardiac events, stroke/TIA, visual field defects, syncope
- If a patient with capacity refuses to stop driving when unfit: inform patient you will disclose to DVLA, then disclose, then document everything
Overview
The Driver and Vehicle Licensing Agency (DVLA) is responsible for assessing medical fitness to drive in the UK. The legal duty to notify DVLA of relevant medical conditions rests with the driver (Road Traffic Act 1988, Section 94). Failure to notify is a criminal offence and may invalidate motor insurance. Doctors must advise patients of conditions that affect fitness to drive and document this advice. If a patient refuses to stop driving when medically unfit and refuses to notify DVLA, the GMC permits the doctor to disclose to DVLA as a last resort — this is a justified breach of confidentiality in the public interest.
Epidemiology
DVLA processes approximately 750,000 medical fitness to drive enquiries per year. Neurological conditions (epilepsy, stroke), cardiovascular disease, diabetes, and visual disorders are the most common reasons for medical notification. Approximately 40,000 licences per year are refused or revoked on medical grounds. Driving while medically unfit is an offence — and the driver bears personal responsibility, not the doctor.
Key Conditions and Driving Rules
Symptoms
Epilepsy (Group 1): must be seizure-free for 12 months (or 6 months if seizures only during sleep for >1 year) before driving
Epilepsy (Group 2): must be seizure-free for 10 years WITHOUT anti-epileptic medication
First unprovoked seizure (Group 1): 6 months off driving (12 months if structural cause or abnormal EEG)
Stroke/TIA (Group 1): 1 month off driving. Group 2: 1 year
MI or ACS (Group 1): 1 week post-PCI, 4 weeks post-CABG or post-uncomplicated MI. Group 2: 6 weeks
Syncope (Group 1): simple vasovagal = no restriction. Unexplained = stop until diagnosed and treated
Diabetes (on insulin): must notify DVLA. Must have adequate hypoglycaemia awareness. Severe hypoglycaemia (requiring assistance) → 12 months off Group 2 driving
Visual standards: corrected acuity ≥6/12 (Snellen) in BOTH eyes. Must meet visual field requirements (central 120° horizontal with no significant defect in 20° either side)
ICD implanted: Group 1 = 6 months off, then can drive if no shocks in 6 months. Group 2 = permanent bar
Signs
If you advise a patient to stop driving and they agree → document clearly in notes
If patient refuses to stop → escalation pathway (see management)
Assessment
First-line
DVLA "At a Glance" guideComprehensive reference listing medical standards for every condition. Available free online. Use as primary reference for specific conditions
Clinical assessmentAssess the specific condition in the context of driving: seizure recurrence risk, visual fields, hypoglycaemia awareness, cardiovascular stability
Second-line
Visual field assessmentEsterman binocular visual field test — the DVLA standard for visual field assessment for driving
Specialist assessmentMay be requested by DVLA — ophthalmology, neurology, cardiology reports to inform licensing decisions
Specialist
DVLA medical panelReviews complex cases. May arrange independent medical examination or request further information from the patient's doctors
1
Doctor's responsibilities
- Advise the patient of any condition that affects their fitness to drive
- Advise the patient to stop driving immediately if they are unfit
- Advise the patient to notify DVLA
- Document all advice given in the medical records
- It is NOT the doctor's role to notify DVLA in the first instance — it is the patient's
2
If the patient refuses to comply
- Step 1: explain the risks clearly — to themselves and to others
- Step 2: ask their consent to disclose to DVLA on their behalf
- Step 3: if they still refuse → inform the patient you are going to disclose to DVLA
- Step 4: disclose the relevant medical information to DVLA's medical adviser (minimum necessary)
- Step 5: inform the patient in writing that you have disclosed
- Step 6: document the entire process meticulously in the medical records
- This is a justified breach of confidentiality in the public interest (GMC guidance)
3
Specific scenarios
- Post-seizure: advise to stop driving immediately and notify DVLA. Advise on the specific seizure-free period required
- Diabetes on insulin: advise to notify DVLA. Check hypoglycaemia awareness. Advise to check blood glucose before and during long drives
- Post-stroke/TIA: advise 1 month off driving (Group 1). Must not drive until safe recovery confirmed
- Loss of consciousness of unknown cause: must not drive until diagnosis confirmed and appropriately managed
Complications
- Driving while unfit: Criminal offence (Road Traffic Act 1988), motor insurance invalidated, risk of causing death/injury
- Failure to advise patient: Doctor may be negligent if a foreseeable accident occurs and driving advice was not given
- Inappropriate disclosure: Disclosing to DVLA without following the proper escalation pathway → potential GMC complaint
UKMLA Exam Tips
- 1It is the PATIENT's legal duty to notify DVLA — not the doctor's. But the doctor MUST advise the patient
- 2Epilepsy Group 1: seizure-free 12 months. Group 2: seizure-free 10 years OFF medication. These are the most commonly examined driving rules
- 3If patient refuses to stop driving when unfit: you CAN disclose to DVLA — but follow the GMC stepped pathway (advise → seek consent → warn → disclose → inform → document)
- 4Group 2 standards are ALWAYS stricter than Group 1 — if the question asks about HGV/bus driving, the answer is usually more restrictive
- 5Post-MI: 1 week off driving if successful PCI (Group 1). Know the basic timelines
- 6ICD Group 2 = permanent bar. This is a common exam question
- 7Simple vasovagal syncope: NO driving restriction (Group 1). Unexplained syncope: stop until diagnosed and treated
practicetest your knowledge on fitness to drive (dvla)Apply what you've learnt with UKMLA-style questions from the iatroX Q-Bank — ethics & law and beyond.
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