Prescribed medical cannabis doesn’t grant a free pass on the road. While a...

https://aged-wiki.win/index.php/What_Are_the_Three_Conditions_for_the_Medical_Defence_Again%3F_A_Guide_for_Cannabis_Patients

Prescribed medical cannabis doesn’t grant a free pass on the road. While a medical defence exists for the 2mcg/L THC limit, you must remain fit to drive and disclose relevant conditions to the DVLA. Remember: a legal prescription is not a safety waiver