The World Health Organization defines pharmacovigilance, often known as drug safety, as "the science and activities concerned with the detection, assessment, understanding, and prevention of adverse effects or other drug-related problems." The ultimate purpose of pharmacovigilance is to ensure that medicines are used safely, with the dangers associated with the medical product being minimized and the benefits being maximized. It is critical in ensuring that doctors and patients have adequate information to make an informed decision when selecting a medicine for treatment. Mechanisms for evaluating and monitoring the safety of therapeutics in clinical use are critical for preventing or reducing harm to patients and consequently improving public health. In the next ten years, pharmacovigilance programs will briefly outline the probable ramifications of such tendencies on the evolution of science. In this global pitch, pharmacovigilance is confronting numerous problems in developing improved health care systems.