There is no official government medical cannabis card in the UK. Access...
https://wiki-club.win/index.php/Can_you_get_medical_cannabis_in_the_UK_without_prior_treatment_history%3F
There is no official government medical cannabis card in the UK. Access requires a specialist consultation and your medical records. Once prescribed, you may choose to carry a private card as proof of your lawful use, though this is entirely optional.