Author Affiliations: Institute of Health Law Studies, California Western School of Law (Dr Liang and Mr Mackey), Department of Anesthesiology and San Diego Center for Patient Safety, University of California, San Diego School of Medicine (Dr Liang), San Diego State University–University of California, San Diego Joint Program on Global Health (Mr Mackey).
Direct-to-consumer advertising (DTCA) is legal only in the United States and New Zealand and has been linked with drug overutilization, public health concerns, and higher costs.1 Despite global proscriptions, DTCA is the most rapidly increasing form of pharmaceutical marketing, with approximately $4 billion in US expenditures, outpacing physician marketing and research and development.2
Liang BA, Mackey T. Direct-to-Consumer Advertising With Interactive Internet Media: Global Regulation and Public Health Issues. JAMA. 2011;305(8):824–825. doi:10.1001/jama.2011.203
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