Drugs of Addiction (S8 substances) are substances listed under Schedule 8 (S8) of the NSW Poisons List and are substances which may be abused, are addiction producing or potentially addiction producing, and potentially dangerous. Examples are morphine, oxycodone, methadone, buprenorphine, fentanyl, pethidine, hydromorphone and flunitrazepam.
'Restricted substances' (S4D substances) are substances listed in Appendix D to the Poisons and Therapeutic Goods Regulation. These substances may be abused and/or are liable to cause dependence. Examples are anabolic/androgenic steroids, benzodiazepines, phenobarbitone, phentermine and Schedule 4 pseudoephedrine preparations.