Objectives To identify the key roles, routes and tools of communication on medicines and their risks To know the evolution of medicines risk communication and overview of the regulatory responsibilities and requirement To be aware of environmental drug impact communication Topics covered: Principal actors in communication on medicines risk, of traditional and new forms of communication, of routes of communication and their evolution through time Basis of risk communication process Regulatory Responsibilities and Requirements Concerning Medicines Risk Communication Communication of actual and alleged risks associated to medicines: three different scenarios