What Is Post-Marketing Surveillance?

In Simple words, Post Marketing Surveillance is the fourth phase of clinical trials.

Now you may think what is the clinical trial?

It is a type of research study that examines how well new medical approaches work for humans. These clinical studies test new techniques of screening, prevention, diagnosis, or treatment of a disease.

Post-marketing surveillance is the process of monitoring the safety of drugs once they arrive at the market, after the accomplishment of the clinical trials. The key purpose for accompanying post-marketing surveillance is to recognize the previously unidentified unfortunate effects as well as positive effects.