Prescribed cannabis? There’s a medical defence for the 2µg/L THC limit, but...
https://dlf-ne.org/can-i-drive-in-the-uk-if-i-have-a-medical-cannabis-prescription-the-reality-behind-the-wheel/
Prescribed cannabis? There’s a medical defence for the 2µg/L THC limit, but legality isn't a safety pass. You must remain fit to drive at all times. Always check your DVLA requirements—your legal status doesn't replace your responsibility behind the wheel