In the UK, there’s no official "fixed list" for medical cannabis eligibility....

https://hotel-wiki.win/index.php/If_there_is_no_fixed_list,_how_do_UK_clinics_decide_who_gets_a_prescription%3F

In the UK, there’s no official "fixed list" for medical cannabis eligibility. Instead, a specialist doctor reviews your history to see if you have tried at least two standard treatments without success