10.22376/ijpbs.2019.10.1.p1-12 Volume 6 Issue 2 2015 (April - June) The aim of this study was to carry out Adverse Drug Reactions (ADRs) monitoring in various departments of a tertiary care teaching hospital. Methods: A cross sectional study was carried out on ADRs in a tertiary care teaching hospital in Potheri from June to December 2013 after Institutional Ethics Committee approval. Result: Total 32 ADRs were reported. Among them, 46.87% were in males and 53.12% were in females. The majority of ADRs were due to antimicrobial agents (71.78%) followed by antiepileptics (18.75%). Maximum number of patients (81.25%) was reported with dermatological manifestations. Highest number of ADRs was reported from the department of medicine (37.5%). As per Naranjo's probability scale, 50% reports were assessed as possible and 46% as probable. 75% reports were documented as moderate according to Modified Hartwig's criteria for severity assessment. The present study was done to emphasize the importance of pharmacovigilance among practicing physicians. KALA.P, JAMUNA RANI.R AND SANGEETHA RAJA Adverse Drug Reactions, Tertiary care teaching hospital, pharmacovigilance 343-348