Prescribed cannabis is legal, but the 2mcg/L THC limit applies to all. A...
https://oscar-wiki.win/index.php/If_I_Get_Pulled_Over,_What_Do_I_Say_About_My_Prescription%3F_A_Guide_for_Medical_Cannabis_Patients
Prescribed cannabis is legal, but the 2mcg/L THC limit applies to all. A medical defence isn’t automatic; DVLA fitness to drive standards remain paramount. A prescription isn’t immunity—legality never replaces your duty to avoid impairment.