This list of essential medicines was outline by the World Health Organization [WHO]. These medicines were specifically picked out for the geographic region of Ngaanyatjarra-Giles a rural region is Western Australia. These medicines satisfy the health care needs of that population. They were selected to best suit the local population in the case of: disease prevalence, low-cost administration, and efficacy and safety of the medicine. This list also includes the drug structures of these medicines and general background information about them.