Abstract :The causes of the health damage due to drugs use are
i. Adulteration or inadequate production
ii. Misuse or abuse of drugs
iii. Human error such as prescription error or unknown interactions or contra-indications
iv. Inherent safety issues of drugs
Pharmacovigilance is the pharmacological science that deals with collection, detection, assessment, monitoring and prevention of adverse reactions with pharmaceutical products. With the advent of newer drugs by the day the monitoring of adverse drug reactions due to these drugs is absolutely essential. An adverse drug reaction is defined as an effect that is noxious and unintended and which occurs at doses used in man for the prophylaxis, diagnosis or therapy of disease or for the modification of physiological function (Table 1).