There is no official government medical cannabis card in the UK. Access starts...

https://www.seo-bookmarks.win/there-is-no-official-government-issued-medical-cannabis-card-in-the-uk-access

There is no official government medical cannabis card in the UK. Access starts with a specialist consultation following a review of your medical records. If prescribed, you may choose to carry a private card as optional proof of your lawful medication.