Many HGV and D4 medicals are delayed because of high blood pressure. The good news? There are several simple ways to lower it — often within days — so you can pass your medical with confidence. At SimplyMedicals, we’ve helped thousands of drivers manage their readings. Here’s what you need to know.
Understand How Blood Pressure Affects Your Licence
The DVLA requires safe blood pressure levels for Group 2 drivers. If your reading is too high during the medical, the doctor may need to repeat it, or you may be asked to see your GP for treatment before the licence can be approved.
DVLA Guidelines:
- Below 180/100 → generally acceptable
- Above 180/100 → licence usually paused until controlled
- Above 200/120 → urgent medical attention
Knowing your numbers BEFORE the medical gives you the best chance of passing.
Simple Steps You Can Take in the Days Before Your Medical
1. Cut Back on Salt
Salt has a powerful effect on blood pressure. Reducing it just 2–3 days before can make a noticeable difference.
Avoid:
- Crisps
- Takeaways
- Tinned soups
- Processed meats
Aim for freshly prepared foods where possible.
2. Reduce Caffeine and Energy Drinks
Coffee, tea, cola, and energy drinks can cause temporary spikes in blood pressure — especially if consumed right before your appointment.
Avoid them for 4–6 hours before your medical.
3. Hydrate Well
Dehydration can raise blood pressure. Drink water regularly in the 24 hours before your appointment.
4. Avoid Smoking
Nicotine raises blood pressure for up to 30 minutes each time. Avoid smoking or vaping before your medical.
5. Relax
Stress plays a major role. Many drivers get “white coat hypertension” due to nerves. Try:
- Slow breathing exercises
- Arriving early
- A short walk beforehand
These small steps reduce your reading significantly.
Long-Term Strategies for Better Blood Pressure Control
1. Weight Loss and Exercise
Even 5–10% weight loss can lower blood pressure. Walking, cycling, and light strength training help significantly.
2. Reduce Alcohol Intake
Heavy drinking increases blood pressure and affects sleep. Space out your drinks and avoid binge sessions.
3. Medication
If lifestyle changes aren’t enough, your GP may prescribe blood pressure tablets. Most drivers continue working with no issues as long as readings are controlled.
At SimplyMedicals, we work with HGV drivers every day, and we know how stressful medicals can be. With the right preparation, most drivers pass easily — and we’ll guide you through every step.
Ultimately, It all starts with your D4 medical Examinations.
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