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

https://tango-wiki.win/index.php/Why_is_evidence_still_a_big_deal_for_UK_medical_cannabis%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.