Medical cannabis has been legal in the UK since 2018, though it is not a...

https://highstylife.com/how-do-i-prove-i-tried-conventional-treatments-before-cannabis-in-the-uk/

Medical cannabis has been legal in the UK since 2018, though it is not a first-line treatment. To qualify, you must undergo a specialist assessment and provide full documentation showing that at least two previous therapies have failed