Glossary term

Travel letter: A travel letter is the supporting letter patients may carry when travelling with a controlled medicine, showing that it was prescribed for them.

EssentialPractical / legalSource quality: HighLast updated: 29 June 2026

Why this term matters

A very practical safety and legal term.

UK medical cannabis context

GOV.UK says travellers need proof such as a prescription or doctor’s letter and should check embassy rules for the destination country.

What not to assume

Rules vary by destination country.

Careful wording: Avoid implying a UK prescription guarantees legality abroad.

Related glossary terms

Related MCPH pages

Sources and review notes

This entry is educational vocabulary, not medical advice. Suitability, prescribing, product choice and monitoring belong with a qualified clinician or pharmacist.