Since 2018, medical cannabis has been a legal treatment option in the UK,...

https://wiki-fusion.win/index.php/What_should_I_ask_a_specialist_about_medical_cannabis_for_arthritis%3F

Since 2018, medical cannabis has been a legal treatment option in the UK, though it is not a first-line therapy for arthritis. Access requires a specialist consultant assessment, and most patients currently source it via private clinics