About Authors: Mrugank BP1, Mangala L2, Hareesha RP3
Department(s) and institution(s)
1. National Institute of Pharmaceutical Education and Research (NIPER), Department of Pharmacy Practice, M.Pharm (Student)
2. Gauhati Medical College and Hospital (GMCH), Department of Pharmacology, Prof and Head; Chief academic co-ordinator, NIPER-Ghy.
3. National Institute of Pharmaceutical Education and Research (NIPER), Department of Pharmacy Practice, M.Pharm (Student)
Reference ID: PHARMATUTOR-ART-1048
Background: "Pharmacovigilance is the science and activity relating the detection, assessment, understanding and prevention of adverse effects or any other possible drug - related problems." 
Literature:Periodic safety update reports (PSUR)and Medical Dictionary for Regulatory Activities (MedDRA)are two important assets for maintenance of Drug safety Pharmacovigilancesystem as they are designed to represent the safety data on a particular drug from all the sources and geographical regions in the worldand to understand internationally, accepted clinically validated medical terminology for medical coding respectively.