There isn’t a fixed list of eligible conditions for medical cannabis in the UK....

https://qqpipi.com//index.php/Cancer-related_symptoms_and_medical_cannabis_in_the_UK:_What_does_%E2%80%9Cconsidered%E2%80%9D_actually_mean%3F

There isn’t a fixed list of eligible conditions for medical cannabis in the UK. Instead, eligibility is determined by a specialist consultant who must be satisfied that you’ve already tried at least two conventional treatments without sufficient success