Since cannabis was rescheduled in 2018, NHS doctors can technically prescribe...

https://wiki-wire.win/index.php/What%E2%80%99s_the_Difference_Between_an_NHS_Prescription_and_a_Private_Prescription_for_Cannabis%3F

Since cannabis was rescheduled in 2018, NHS doctors can technically prescribe medical cannabis—but only specialists may do so, and only for a few approved uses like nabilone for nausea, a spasticity spray trial