In the UK, there is no fixed list of conditions for medical cannabis...

https://sergioklwv602.bearsfanteamshop.com/i-have-chronic-pain-but-my-meds-sort-of-work-would-a-specialist-still-consider-cannabis

In the UK, there is no fixed list of conditions for medical cannabis eligibility. Instead, access depends on approval from a specialist consultant. You generally need to demonstrate that standard, first-line treatments haven’t provided the relief you need