Medical cannabis in the UK confuses many expats. You need a specialist...

https://online-wiki.win/index.php/What_Medical_Records_Do_UK_Cannabis_Clinics_Actually_Ask_For%3F_A_Patient-Coordinator%E2%80%99s_Guide

Medical cannabis in the UK confuses many expats. You need a specialist prescription, not a card. Gather your medical records for private clinics, as the NHS rarely prescribes this. Always check local laws before you travel with your medication