Legal since 2018, medical cannabis isn't a first-line treatment for arthritis....

https://shed-wiki.win/index.php/What_are_anti-inflammatory_drugs_and_why_do_arthritis_patients_use_them%3F

Legal since 2018, medical cannabis isn't a first-line treatment for arthritis. Access requires a specialist assessment, often via private clinics as NHS availability is limited. Please chat with your GP or consultant about your individual needs.