Access to essential medicines is a prerequisite for realizing the right to health. Access to medicines is guaranteed through the development and implementation of pharmaceutical policies, integrated with health policies, addressing primary determinants in product selection, pricing and financing, as well as regulation, organization of the provision system and rational use. In order to be beneficial, medicines need to be safe, effective and of quality - otherwise funds can be wasted, the populations' health can be put at risk and confidence in the health system can be jeopardized. National medicines expenditures currently ranges from 7% to 66% of total health expenditure worldwide...