Medical cannabis has been legal in the UK since November 2018, but it is rarely...

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

Medical cannabis has been legal in the UK since November 2018, but it is rarely a first-line treatment. Typically, clinicians will only consider it after other licensed medications or therapies have failed to provide sufficient relief