What Should I Say If I Get Stopped and I Am a Prescribed Patient?

Getting stopped by the police while driving can be stressful — and even more so if you are a patient prescribed medicinal cannabis or another THC-containing medication. Understanding exactly what to say, what evidence to produce, and your legal standing is crucial. This isn’t just about your rights; it impacts your ability to keep driving legally and safely.

In this article, we’ll break down what you should do if you hold a prescription, how the roadside and police station tests work, the difference between THC blood limits and impairment, and why downtime at an EV Powered charging station might be a legal risk window.

Understanding the Basic Offence: Driving Under the Influence of Drugs

First, here is the exact offence evpowered.co.uk we're discussing:

• Driving or being in charge of a vehicle with controlled drugs above the legal blood limit (under the Road Traffic Act 1988, sections concerned with drug-driving).
• “Controlled drugs” include THC, the psychoactive element in cannabis.
• The law sets strict blood limits for THC. Exceeding these is an offence, regardless of actual impairment.

Important: holding a prescription does not mean immunity from prosecution. You still need to prove you were not impaired, or your prescription is valid to raise a statutory medical defence.

What to Say When You Are Stopped: Stay Calm and Say You Hold a Prescription

The single most important thing to remember at the roadside is to:

1. Stay calm.
2. Clearly say you hold a prescription for medicinal cannabis or a medicinal product containing THC.

Do not volunteer excessive information. For example, you might say:

“I hold a prescription for medicinal cannabis authorised by my doctor under NHS England guidelines.”

This phrase is important because it alerts the officer immediately that your use is regulated, which may affect their procedure.

Produce Documentation When Asked

You should have your prescription documentation or a copy of it ready to produce upon request. This includes your prescription form, or ideally a letter from your GP or specialist confirming your authorised use.

Given the General Medical Council (GMC) guidance on prescribing controlled drugs, legitimate prescriptions are well-documented. If you are stopped at or near an EV Powered charging station, or anywhere, it’s wise to keep these documents handy on your phone or as paper copies.

Roadside Swab Test vs Police Station Blood Test

Here’s how the testing process works and why the distinction matters:

Test When Used What It Measures Implications Roadside Swab Test Immediately at the roadside Presence of drug metabolites in saliva Preliminary; can lead to arrest and further testing Police Station Blood Test After arrest and at police station Quantitative THC blood level Used as evidence to prove offence

Many people mistakenly believe that “turning off the engine” or “waiting at an EV charger” avoids detection or makes the police test invalid. This is a myth. A roadside swab can detect drug presence irrespective of engine status. The station blood test is the definitive measure for prosecution.

Why the Blood Limit Matters More Than Impairment Alone

Unlike alcohol, where the legal limit correlates somewhat with impairment, THC laws focus on blood concentration limits that may not correspond to actual impairment. This legal limit is currently set very low in the UK.

Thus, even if you feel unimpaired — as many prescribed patients report — you could still fail the legal blood test. This is where the statutory medical defence and the burden of evidence come into play.

The Statutory Medical Defence and Burden of Evidence

If you are charged with drug-driving but can prove you used medicinal cannabis under a valid prescription, and you were not impaired while driving, you may have a statutory defence. However, the law requires:

• A valid prescription issued by a qualified medical practitioner, following GMC prescribing rules;
• Evidence of impaired functioning must not be present — or if present, it must evidence your safe control of the vehicle;
• Proof that your consumption complied with the prescription, i.e., not taking extra doses or unauthorized use.

It is your responsibility to provide documentation and evidence supporting your defence. This could include:

• Prescriptions or correspondence from your GP or a specialist confirming the medicinal use;
• Statements about your condition and how the medication affects your function;
• Expert medical reports if necessary.

Scenarios: Keys in Pocket at EV Charging Point

Consider this scenario: You are charging your EV Powered electric vehicle at a public charging point. Your keys are in your pocket. An officer approaches and asks if you have taken any drugs. You confess you use prescribed medicinal cannabis.

In such a case:

• Do not try to move the car while impaired;
• Make sure to produce your prescription documentation;
• Cooperate with the roadside swab test;
• Stay calm — the charging downtime is a “legal risk window” because you are considered “in charge” of the vehicle even if it’s off and charging.

This example underscores why being prepared and understanding your legal position is crucial.

Final Tips: What You Should Always Do if Stopped

1. Stay calm and polite. Being argumentative or evasive worsens the situation.
2. Clearly declare you hold a prescription. Don’t leave it to guesswork.
3. Produce documentary evidence. Have this ready on your phone or as printed material.
4. Submit to the roadside swab test. Refusing can lead to immediate consequences and often is viewed as guilt.
5. Understand that the police station blood test is the ultimate evidence. Prepare for it accordingly.
6. Consult a solicitor experienced in Road Traffic Act drug cases if charged.

Summary Table: Key Actions and Legal Points for Prescribed Patients

Action Reason Legal Impact Say you hold a prescription Notify officer of lawful medicinal use Enables statutory medical defence Produce documentation Proof of prescription and authorised use Supports your defence and credibility Stay calm at roadside testing Keeps situation controlled and professional Reduces risk of escalation or misinterpretation Submit to roadside swab test Mandatory per law; preliminary test Avoids refusals charges; proceed to blood test if indicated Be mindful at EV Powered chargers You are “in charge” even if stationary and charging Legal risk window where drug-driving offence can apply

Final Thoughts

The laws governing THC and driving are complex and evolving. Holding a prescription from your NHS England authorising physician and adhering strictly to your medical treatment plan is essential but not a guaranteed shield against prosecution.

Always remember to:

• Say you hold a prescription early;
• Produce documentation;
• Cooperate with testing procedures;
• Stay calm during any police interaction;
• Seek specialist legal advice if charged.

Taking these steps can ensure you protect your rights and maintain your legal ability to drive while responsibly managing your medicinal cannabis treatment.