Since 2018, the UK has regulated medical cannabis as a prescription-only...

https://telegra.ph/Why-Do-Some-UK-Patients-Feel-Hesitant-to-Even-Ask-About-Medical-Cannabis-07-16

Since 2018, the UK has regulated medical cannabis as a prescription-only medicine, available through specialist doctors. Guidance from NICE supports evidence-based use in specific cases, helping shape clinical decisions