Travelling With Medical Cannabis — UK Patient Guide

Medical cannabis is a Schedule 2 controlled drug in the UK. Travelling with it — whether by air, road, or rail — involves different rules depending on your destination. The law at your destination governs what you may legally carry, not the law in the UK. This guide sets out what you need to know before travelling, with conservative advice designed to protect you. It is legal information, not legal advice.

Departing the UK With Your Prescription

Within the UK, carrying your prescribed medical cannabis is lawful provided you have a valid Schedule 2 prescription and supporting documentation. UK Border Force guidance advises patients to carry the following when departing the UK:

• A copy of your current prescription, clearly showing the medicine name, quantity, and prescribing clinician details.
• A letter from your prescribing clinic or dispensing pharmacy confirming that the medicine is prescribed to you. Most licensed clinics will provide this on request — allow at least five working days before your travel date.
• The medicine in its original, labelled pharmacy packaging.

Do not transfer your medicine into unmarked containers. Having clear documentation reduces the risk of delays at UK departure points.

International Travel: The Fundamental Rule

Cannabis — including cannabis-based medicines — remains a controlled substance in the vast majority of countries worldwide. Even countries with domestic medical cannabis programmes do not necessarily permit the import of foreign prescriptions.

Specific Country Considerations

Most EU countries: Cannabis-based medicines are generally not permitted to be imported by individual patients, even with a valid prescription. This includes popular travel destinations such as France, Spain, Italy, Greece, and Portugal. Do not assume that a country with a medical cannabis law permits you to bring your UK prescription.

Netherlands: The Netherlands has a domestic medical cannabis programme and, in some circumstances, permits patients to travel with prescribed cannabis medicines. However, the rules are specific and subject to change. Contact the Dutch embassy or a legal adviser before travelling.

Germany: Germany changed its cannabis laws in 2024, but this does not automatically legalise the import of a UK prescription. The rules for patients travelling to Germany with prescribed cannabis remain complex. Seek country-specific legal advice before travel.

Outside Europe: Many countries impose severe penalties for any form of cannabis possession. Do not travel with medical cannabis to countries where possession carries custodial sentences.

Air Travel: Airport Security and Border Control

At UK airports, security screening is primarily concerned with safety, not drug detection. However, if your medicine is identified during screening, you will be directed to Border Force. Having your documentation ready is the most practical step you can take.

On arrival at your destination, you pass through that country's border control, where their law applies. Airlines do not have a consistent policy on medical cannabis — check with your airline before travel.

What Happens If You Are Caught Abroad

If you are detained abroad in connection with cannabis possession, contact the British embassy or consulate in that country immediately. Consular officers can provide a list of local lawyers and notify your next of kin, but they cannot intervene in the legal process or secure your release. They cannot guarantee that your UK prescription will be accepted as mitigation.

Travel insurance policies typically do not cover legal costs arising from criminal proceedings related to controlled drugs.

Practical Advice Before You Travel

The safest course of action for most patients is to arrange sufficient supply of non-cannabis medication to cover your travel period, and to leave your cannabis-based medicine at home. If your condition requires continuous treatment, discuss interim management with your prescribing specialist well in advance of your trip.

For more information on how medical cannabis is prescribed in the UK, or to review UK cannabis law, visit the relevant pages on this site.

Frequently Asked Questions

Can I take my medical cannabis on a flight from the UK?

To legally depart the UK with prescribed medical cannabis, you require a personal export licence from the Home Office under Regulation 37 of the Misuse of Drugs Regulations 2001 — a prescription alone does not authorise export. Apply at least ten working days before travel. Additionally, carrying cannabis-based medicines into another country is governed by that country's law. In most cases it is not permitted, even with a UK prescription and a Home Office licence.

Which countries allow medical cannabis from a UK prescription?

Very few, and the rules are complex even in those that do. You must verify the current rules with the destination country's embassy or a legal adviser before travelling. Do not rely on general information that may be outdated.

What documents do I need to travel with medical cannabis from the UK?

You should carry a copy of your current Schedule 2 prescription, a letter from your prescribing clinic or dispensing pharmacy confirming your treatment, and the medicine in its original labelled pharmacy packaging. Request the clinic letter at least five working days before travel.

What should I do if I am stopped at a foreign border with my prescription?

Remain calm, present your documentation, and contact the British embassy or consulate as soon as possible. Consular staff can assist with legal referrals but cannot intervene in local legal proceedings. A UK prescription does not provide legal protection in another country.

Can I drive through Europe with my medical cannabis prescription?

The same import restrictions apply to road travel as to air travel. Additionally, roadside drug testing is used by police in multiple EU countries, and a positive test can result in licence suspension or prosecution regardless of whether you hold a prescription.

Find a UK Clinic

The following licensed UK clinics cover the conditions discussed in this guide. All offer online consultations available UK-wide.

• Lyphe Clinic — from £99
• Releaf — from £79
• Mamedica — from £95
• Alternaleaf — online UK-wide
• Zerenia — from £99

Compare all 9 licensed prescribers on the UK clinic comparison page.