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Doctor's Letter For Travelling With Medication

Carrying prescription medication through customs without the right documentation can cause unnecessary delays. A signed letter from a GMC registered UK GP confirms the medical necessity of your medication at border control.

Each letter follows a clinical review by a licensed UK doctor, giving customs and security a credible document confirming your prescription is legitimate.

✔ Issued by a GMC registered UK GP following clinical review
✔ Suitable for airport security, customs, and international travel
✔ Most requests reviewed same day, from £39

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How It Works

01

Complete a short online questionnaire

No appointment required. Complete a short medical questionnaire and upload any supporting evidence.

02

Doctor reviews your evidence

A GMC-registered doctor reviews your submission individually. No automated approvals.
✔ Full refund if the GP cannot issue.

03

Receive your certificate

Certificates arrive most same day, all by 9AM next morning, delivered as a signed PDF direct to your inbox.

Doctor’s Letter for Travelling with Medication

A doctor’s letter for travelling with medication is a document from a GMC-registered UK doctor confirming you have been lawfully prescribed a medication, listing the dose and supply quantity, and explaining why you need to carry it during travel. It is required at international borders and customs for controlled drugs, and strongly recommended for all prescription medications on international trips — particularly to countries with strict customs rules or medication import restrictions.

The UK Home Office recommends — and in many cases border agencies expect — this documentation for any controlled drug when entering or leaving the UK. A MedicalCert medication travel letter can cover your full medication list in a single document, issued the same day.


When Do You Need a Medication Travel Letter?

Controlled drugs (Schedule 2–4)

The Home Office recommends carrying a doctor’s letter for any controlled drug when entering or leaving the UK. This includes opioids (morphine, oxycodone, codeine), benzodiazepines, methylphenidate, tramadol, pregabalin, and others listed under the Misuse of Drugs Regulations 2001.

Injectables and medical devices

Insulin, anticoagulant injections, EpiPens, insulin pumps, and other injectables require a letter for airport security. Liquid medications over 100ml carried in hand luggage also require supporting documentation.

Large supply quantities

Carrying more than 30 days of supply draws customs attention. Up to a 3-month supply of controlled drugs may be carried without a Home Office personal export licence, but a doctor’s letter confirming the supply is consistent with the treatment plan is strongly advised.

Restricted medications at destination

Medications freely available in the UK may be controlled or banned abroad. Codeine, tramadol, certain antihistamines, and CBD products are restricted in numerous countries. Always check with the destination country’s embassy — a doctor’s letter does not override destination country law.

Long-term conditions on regular medication

For travellers managing chronic conditions — diabetes, epilepsy, COPD, heart disease — a letter listing current medications provides essential backup if medication is lost, confiscated, or if emergency treatment is needed abroad.

Unlabelled or repackaged medications

Medications should always be carried in original labelled containers. If packaging is missing or if international brand names differ from UK equivalents, a doctor’s letter provides verification that the supply is legitimately prescribed.


Controlled Drugs: What UK Law Requires

Travelling for more than 3 months?

If you will be abroad for longer than 3 months or are carrying more than a 3-month supply of a controlled drug, you must apply to the Home Office Drugs Licensing and Compliance Unit for a personal export licence. This is free but must be applied for at least 14 days before departure. A doctor’s letter from this service can support that application.


Medications Commonly Covered

The following categories most frequently require a travel letter. If you are unsure whether your medication is covered, include it in your consultation and the doctor will advise:

Morphine / oxycodone Codeine-containing products Tramadol Methylphenidate (Ritalin) Benzodiazepines (diazepam, lorazepam) Pregabalin / gabapentin Insulin (injectable) EpiPen / adrenaline auto-injectors Anticoagulants (heparin, enoxaparin) Testosterone / hormone therapies Medical cannabis (UK-prescribed) Methadone / buprenorphine Growth hormone injections

What Your Medication Travel Letter Includes

Letter contents

  • Your full name, date of birth, and address
  • Travel dates and destination country
  • Full medication list — generic and brand name, dose, frequency, total quantity
  • Brief clinical reason why the medication has been prescribed
  • Confirmation the medication has been lawfully prescribed
  • GMC registration number of the signing doctor
  • Unique QR code for customs or border verification

Carry the letter in your hand luggage alongside original packaging and dispensing labels. It is your responsibility to verify the legal status of your medications at your destination — a UK doctor’s letter confirms the UK prescription is legitimate but does not grant permission to import substances banned in countries where they are restricted.


How to Get Your Medication Travel Letter

1

Complete the online consultation form

List all medications you are travelling with including dose, frequency, and total quantity. Provide your travel dates and destinations. Upload a copy of your current prescription, dispensing labels, or GP medication summary.

2

GMC-registered doctor reviews your submission

The doctor confirms the medications listed against the clinical information provided. If further clarification is needed, the doctor may contact you before issuing.

3

Letter delivered same day

Your signed medication travel letter arrives in your inbox same day (submit before 9pm) or by 9am next morning. Print a copy to carry in your hand luggage alongside original medication packaging.


Travelling with Medication FAQs

Generally no, for standard OTC products within the UK. However, some UK OTC medications — including codeine-containing products and strong antihistamines — are controlled or restricted in other countries. If travelling with any medication containing codeine or tramadol, check destination country rules and consider carrying a letter regardless of whether it was purchased OTC.
Yes. A single letter can list all medications you are travelling with. There is no need to obtain separate letters per medication — the doctor produces a comprehensive medication travel letter covering your full medication list in one document.
A letter significantly reduces the risk of difficulties and provides evidence your supply is legitimate. However, it does not override the laws of countries where the substance is banned. Customs decisions rest with the destination country’s border authorities. Always check embassy requirements for your specific destination before travel — especially for opioids, benzodiazepines, and medical cannabis.
Yes. If you carry syringes, needles, insulin pumps, auto-injectors, or other medical devices, these can be included in the letter. Airport security requires a doctor’s letter confirming medical need for sharps carried in hand luggage.
A UK doctor can only confirm medications that have been lawfully prescribed in the UK. If you have been prescribed medications while abroad and wish to re-enter the UK with them, contact the UK Home Office regarding personal import rules for controlled drugs. MedicalCert cannot write letters for medications not prescribed within the UK system.

Clinically Reviewed By

Dr Maria Knobel

Medical Director, Nobel Medical LLC

Registered with the General Medical Council
Certificates issued following clinical review

GMC Registration

7495073 – View on GMC register