Prescribed cannabis and driving: a medical defence exists for the 2mcg/L THC...

https://www.bookmarks4all.win/prescription-cannabis-doesn-t-grant-immunity-from-the-2mcg-l-thc-limit-or-dvla

Prescribed cannabis and driving: a medical defence exists for the 2mcg/L THC limit, but it’s no golden ticket. You must still meet DVLA fitness standards. Legality doesn’t replace responsibility—if you’re impaired, you’re liable. Stay safe, not just legal