Prescribed medical cannabis doesn’t exempt you from drug-drive laws. While a...

https://bizzmarkblog.com/the-motorists-guide-to-medical-cannabis-dvla-rules-section-5a-and-staying-legal/

Prescribed medical cannabis doesn’t exempt you from drug-drive laws. While a medical defence exists for the 2mcg/L THC limit, DVLA fitness to drive remains non-negotiable