pharmacovigilance

:  the monitoring, evaluation, and prevention of adverse effects associated with the administration of medicines With generic drugs now accounting for more than 75% of U.S. prescriptions, imposing even a minimal fee on each prescription would provide the revenue for an important investment in pharmacovigilance for late-arising safety issues.—Aaron S. Kesselheim et al., The New England Journal of Medicine, 1 Nov. 2012