Since Nov 2018, medical cannabis has been legal in the UK, but it’s rarely a...

https://blast-wiki.win/index.php/Can_My_GP_Prescribe_Medical_Cannabis_in_the_UK%3F_A_Reality_Check

Since Nov 2018, medical cannabis has been legal in the UK, but it’s rarely a first-line treatment. You need a specialist’s prescription, usually after other options have failed