Since 2018, UK law permits specialist doctors to prescribe cannabis-based...

https://www.bookmark-help.win/in-2018-uk-law-changed-the-misuse-of-drugs-regulations-2001-not-the-1971

Since 2018, UK law permits specialist doctors to prescribe cannabis-based medicines classified under Schedule 2, including Sativex and Epidyolex, despite cannabis remaining a Class B drug