Having a medical cannabis prescription isn’t a free pass to drive. While a...
https://bizzmarkblog.com/the-motorists-guide-to-medical-cannabis-dvla-rules-section-5a-and-staying-legal/
Having a medical cannabis prescription isn’t a free pass to drive. While a medical defence exists for the 2mcg/L THC limit, you must still meet DVLA fitness-to-drive standards