Navigating UK medical cannabis as an expat requires a specialist prescription,...

https://yucatanmagazine.com/how-expats-in-the-uk-access-medical-cannabis-prescriptions/

Navigating UK medical cannabis as an expat requires a specialist prescription, not a card. Private clinics lead the way, but you need your full medical records first. The NHS rarely covers this. Check travel rules carefully before you go anywhere.