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

https://uniform-wiki.win/index.php/What_Does_%22Specialist_Oversight%22_Actually_Look_Like_for_UK_Medical_Cannabis%3F

In the UK, there isn't a fixed "approved list" of conditions for medical cannabis. Eligibility is determined by specialist doctors, usually requiring you to have tried at least two conventional treatments first without success