Prescribed medical cannabis doesn’t grant immunity. You still face the 2mcg/L...

https://www.deltabookmarks.win/medical-cannabis-prescriptions-aren-t-a-road-pass-you-re-still-bound-by-the

Prescribed medical cannabis doesn’t grant immunity. You still face the 2mcg/L THC limit, and while a medical defence exists, DVLA fitness to drive rules take priority. Legality isn't a blanket pass; impairment remains your responsibility