Legal in the UK since 2018, medical cannabis requires a specialist prescription...

https://www.beacon-bookmarks.win/medical-cannabis-has-been-legal-in-the-uk-since-november-2018-but-it-is

Legal in the UK since 2018, medical cannabis requires a specialist prescription after other treatments have failed. Access is very restricted on the NHS, leading most patients to private routes. It’s vital to check your specific eligibility.