In 2018, the UK’s Misuse of Drugs Regulations 2001 were updated to allow...

https://claytonsimpressiveinsight.nexorafield.com/posts/what-is-sativex-and-who-can-get-it-in-the-uk

In 2018, the UK’s Misuse of Drugs Regulations 2001 were updated to allow specialist doctors to prescribe cannabis-based medicines, like Sativex and Epidyolex