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

https://list-wiki.win/index.php/What_if_my_condition_affects_driving,_not_just_the_medication%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