Having a medical cannabis prescription isn’t a free pass on the road. While a...

https://wiki-fusion.win/index.php/Can_the_Medical_Defence_Apply_If_I_Bought_Cannabis_Privately_but_Say_It_Is_Medical%3F

Having a medical cannabis prescription isn’t a free pass on the road. While a ‘medical defence’ exists if you exceed the 2mcg/L THC limit, you must still meet DVLA fitness-to-drive standards