Prescribed cannabis? You must still meet DVLA fitness standards and stay under...

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

Prescribed cannabis? You must still meet DVLA fitness standards and stay under the 2mcg/L THC limit. While a 'medical defence' exists, legality doesn't replace responsibility. If you're impaired, the law won't shield you. Stay safe and informed.