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

https://uniform-wiki.win/index.php/Can_I_Get_Medical_Cannabis_on_the_NHS_for_Chronic_Nausea_Outside_Chemotherapy%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