Meth.D.A in NSW MethDA, Approvals & Endorsements | 18 March 201612 February 2018 NSW Health has approved Meth.D.A for use in community pharmacies as an alternative to the current, paper-based register, to properly account for their Schedule 8 drugs utilised in the NSW Opioid Treatment Program. pharmacy, meth.d.a, nsw health, approval, schedule 8, opioid treatment