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

https://bizzmarkblog.com/which-conditions-does-the-nhs-actually-fund-medical-cannabis-for/

Since cannabis was rescheduled in 2018, NHS doctors can technically prescribe it—but only specialists, and usually for a few approved uses like nabilone for nausea, MS spasticity sprays, or cannabidiol with clobazam for rare epilepsies