Prescribed cannabis is legal, but it’s a grey area on the road. Even with a...

https://www.echobookmarks.win/for-ev-drivers-using-medical-cannabis-a-prescription-offers-a-medical-defence

Prescribed cannabis is legal, but it’s a grey area on the road. Even with a prescription, exceeding the 2μg/L THC limit can be problematic. A medical defence exists, but you must still meet DVLA fitness to drive standards