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

https://wiki-planet.win/index.php/Why_Does_the_UK_Require_Specialist_Oversight_for_Cannabis_Prescriptions%3F

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.