Medical cannabis has been legal in the UK since 2018. Getting a prescription...

https://highstylife.com/how-do-i-prove-i-tried-conventional-treatments-before-cannabis-in-the-uk/

Medical cannabis has been legal in the UK since 2018. Getting a prescription requires a specialist assessment and proof of two previous failed treatments. Since NHS access is rare, most patients use private clinics to manage their ongoing care.