Medical cannabis has been legally available in the UK since 2018, though it is...

https://wiki-net.win/index.php/Can_You_Get_Medical_Cannabis_on_the_NHS_for_Arthritis%3F

Medical cannabis has been legally available in the UK since 2018, though it is rarely a first-line treatment for arthritis. Typically, doctors will want to ensure you have explored standard pain management options first