Since 2018, specialist doctors can prescribe medical cannabis in the UK....

https://highstylife.com/why-do-uk-clinics-still-follow-strict-prescribing-standards-for-cannabis/

Since 2018, specialist doctors can prescribe medical cannabis in the UK. Patients access this via regulated clinics using digital onboarding and telehealth consults. Once approved, e-prescriptions go to pharmacies for secure, tracked home delivery.