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

https://louisvpqz495.theglensecret.com/what-is-the-difference-between-being-considered-and-being-eligible-for-uk-medical-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