Medical cannabis has been legal in the UK since 2018, though it isn't a...

https://doctiplus.net/arthritis-and-medical-cannabis-can-uk-patients-get-a-prescription/

Medical cannabis has been legal in the UK since 2018, though it isn't a first-line arthritis treatment. You’ll need a specialist assessment to see if it's right for you. Most access it via private clinics. Why not ask a professional about it?