Medical cannabis has been legal in the UK since 2018, though it is never a...

https://mill-wiki.win/index.php/What_is_meant_by_cannabis-based_medicinal_products_(CBMPs)_in_the_UK%3F

Medical cannabis has been legal in the UK since 2018, though it is never a first-line treatment. You will usually need to show that standard arthritis therapies haven’t been effective before a specialist assessment is considered