To claim free prescriptions under Section 117 of the Mental Health Act, you must speak to the person who's overseeing your care package. It's their responsibility to arrange for the appropriate medication to be given at a prearranged place.
It's the duty of the Sub ICB Location (SICBL), Local Health Board and the Local Social Services authority to provide in co-operation with the voluntary agencies after care services.
Check what help you could get to pay for NHS costs and apply online.