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

https://highstylife.com/can-i-qualify-for-medical-cannabis-if-i-had-bad-side-effects-from-meds/

Since November 2018, medical cannabis has been legal in the UK, but access is strictly regulated. It isn’t a first-line treatment; specialists generally consider it only after other licensed therapies have failed to provide relief