In the UK, there isn't a fixed list of conditions for medical cannabis....

https://www.runway-bookmarks.win/uk-medical-cannabis-access-isn-t-based-on-a-fixed-list-of-conditions-but

In the UK, there isn't a fixed list of conditions for medical cannabis. Instead, eligibility is determined by a specialist consultant. They look at your medical history to see if standard treatments have been tried and haven’t provided enough relief