Prescribed medical cannabis doesn’t grant EV drivers an automatic exemption...
https://judahxvdv180.bearsfanteamshop.com/is-the-uk-basically-zero-tolerance-for-thc-when-driving
Prescribed medical cannabis doesn’t grant EV drivers an automatic exemption from UK road laws. While a medical defence exists for the 2mcg/L THC limit, you must still satisfy strict DVLA fitness-to-drive requirements