Since 2018, medical cannabis has been a legal treatment option for some UK...

https://www.bookmark-fuel.win/medical-cannabis-has-been-legal-in-the-uk-since-2018-but-it-isn-t-a-first-line

Since 2018, medical cannabis has been a legal treatment option for some UK arthritis patients. It is strictly not a first-line therapy, meaning you must have already trialled standard medicines without success