Since November 2018, medical cannabis has been legal in the UK, but it is...

https://wiki-cable.win/index.php/Does_Symptom_Severity_Matter_for_UK_Medical_Cannabis_Eligibility%3F

Since November 2018, medical cannabis has been legal in the UK, but it is strictly regulated. It isn’t a first-line treatment; you’ll typically need to demonstrate that standard therapies haven’t worked for your condition