In the UK, there isn't a fixed list of conditions for medical cannabis....

https://juliet-wiki.win/index.php/If_I_have_Crohn%E2%80%99s,_what_kind_of_evidence_would_a_UK_clinician_look_for_before_considering_cannabis%3F

In the UK, there isn't a fixed list of conditions for medical cannabis. Instead, eligibility is determined by a specialist consultant. They look at your medical history to see if standard treatments have been tried and haven’t provided enough relief