Driver Medical Test
What Happens During a D4 Medical Examination? Step-by-Step Guide
If you’re applying for or renewing your HGV, PCV, Forklift, Motorhome, Paramadic or Taxi driver licence, you’ll need a D4 medical examination. This health check ensures you’re fit to drive large or passenger-carrying vehicles safely.
For first-time drivers, the process can feel confusing. This guide explains exactly what happens during the medical, what to bring, and how to prepare.
What Is a D4 Medical?
A D4 medical is a DVLA-required health assessment for anyone applying for or renewing a Group 2 licence:
- HGV (Heavy Goods Vehicle)
- PCV (Passenger Carrying Vehicle)
- ForkliftÂ
- Paramedic Ambulance
- Motorhome, and
- For Taxi or private hire licences
The check is carried out by a DVLA-approved doctor, GP, or occupational health specialist to ensure you meet medical standards for professional driving.
Why Is the D4 Medical Important?
Professional driving requires focus, long hours, and responsibility for road safety. The D4 medical ensures you meet DVLA standards for:
- Vision
- Blood pressure and heart health
- Overall physical and mental fitness
Regular medical checks help:
- Detect health issues affecting driving
- Keep you compliant with DVLA regulations
- Promote safer roads
Step 1: Booking Your Appointment
Book your D4 medical with a certified provider.
Step 1: Booking Your Appointment
Book your D4 medical with a certified provider.
Tips:
- Ensure the doctor is registered with General Medical Council (GMC),
- Clinics across the UK offer quick, affordable appointments
- Using a specialist provider can be faster than a GP
Step 2: Preparing for the Medical
For D4 medical, bring the following to your appointment:
Step 2: Preparing for the Medical
For D4 medical, bring the following to your appointment:
- D4 form (download from DVLA website), or order from DVLA website (Link), or get from Local Post office (link)
- Photo ID (driving licence or passport)
- Glasses or contact lenses and Optician prescription
- Medical history details (list of medications, conditions)
Tip:
Get a good night’s sleep and avoid caffeine or smoking beforehand.
Step 4: Blood Pressure & Heart Check
During D4 examination, the doctor will:
Step 4: Blood Pressure & Heart Check
During D4 examination, the doctor will:
- Measure blood pressure (high readings may delay approval)
- Discuss heart or chest conditions
- Review fainting, dizziness, or breathlessness
- Check medications
Bring supporting GP notes for ongoing conditions.
Step 5: Neurological & Mental Health Review
During D4 examination, checks include:
Step 5: Neurological & Mental Health Review
During D4 examination, checks include:
- Reflexes, coordination, and balance
- History of seizures, sleep disorders, or mental health issues
Step 6: General Health Examination
During D4 examination, your doctor will assess:
Step 6: General Health Examination
During D4 examination, your doctor will assess:
- Height, weight, and BMI
- Heart and lungs
- Hearing and speech
- Abdomen and limb function
Step 7: Reviewing Medical History
During D4 examination, doctors will ask about:
Step 7: Reviewing Medical History
During D4 examination, doctors will ask about:
- Diabetes or insulin treatment
- Epilepsy or neurological conditions
- Sleep apnea
- Alcohol or drug use
- Surgeries or chronic illnesses
Always provide accurate information to avoid future licence issues.
Step 8: Completing the Form
- The doctor fills out your D4 form
- Verify your personal information and signatures
- Submit the form to DVLA (some clinics can submit on your behalf)
Step 9: After the Test
- DVLA processes your form
- Additional tests may be required for vision or blood pressure. You will be notified by doctor if this is required
- Renewal schedule:
- Every 5 years after age 45
- Annually after 65
Who Needs a D4 Medical?
- HGV licence holders (Category C, C1, CE)
- PCV drivers (bus or coach)
- Motorhome drivers
- Ambulance drivers
- Forklift drivers
How Long Does a D4 Medical Take?
- Usually 15–20 minutes
- Quick and simple if all documents are ready
Conclusion
Knowing what to expect during a D4 medical examination helps you stay prepared and confident. From vision checks to overall health assessments, every step ensures you’re fit to drive professionally.
Book your DVLA-approved D4 medical today to keep your licence and career on track.
Frequently Asked Questions (FAQs) about the DVLA D4 Medical Form
1. What checks are done during a D4 medical?
Eyesight, blood pressure, height, weight, general health, and medical history are reviewed and recorded on the official D4 form.
2. How long does it take?
 About 15–20 minutes, slightly longer if extra checks are needed.
3. What should I bring?
 D4 form, photo ID, glasses or contact lenses, medications, and any relevant medical reports.
4. What if I fail?
 The doctor explains the next steps. DVLA makes the final decision. You may need treatment or further tests before reapplying.
5. How often do I need a D4 medical?
- First application
- Age 45
- Every 5 years after 45
- Yearly after 65
