Medical cannabis has been legal in the UK since 2018, though it is strictly not...

https://smoothdecorator.com/can-i-get-a-prescription-if-my-arthritis-pain-is-severe-but-my-records-are-thin/

Medical cannabis has been legal in the UK since 2018, though it is strictly not a first-line treatment for arthritis. Doctors typically consider it only after standard therapies have been exhausted