Medical cannabis is legal, but driving isn't a free pass. You must stay under...

https://nova-wiki.win/index.php/Can_I_lose_my_licence_for_not_telling_DVLA_about_medication_side_effects%3F

Medical cannabis is legal, but driving isn't a free pass. You must stay under the 2μg/L THC limit and meet DVLA fitness-to-drive standards. A medical defence exists, but legality doesn't replace responsibility