Since medical cannabis was rescheduled in 2018, NHS prescriptions remain rare...

https://vergemagazine.co.uk/can-you-get-medical-cannabis-on-the-nhs-a-guide-to-the-uk-system/

Since medical cannabis was rescheduled in 2018, NHS prescriptions remain rare because only specialists can prescribe it, and NHS support is limited to a few conditions—like nabilone for nausea, a trial spray for MS spasticity