A retrospective study of adverse drug reactions in a tertiary care center
Keywords:Adverse drug reactions, Causality, Pharmacovigilance, Preventability, Retrospective
Background: Adverse drug reactions (ADRs) are a major concern in clinical practice. Reporting of ADRs either through health care professionals or the patients themselves is of utmost importance to give an accurate estimate of the prevalence, severity and preventability of ADRs. Present study was conducted to evaluate the prevalence of adverse drug reactions in a tertiary care hospital in Hubballi, Karnataka, India.
Methods: This was a retrospective observational study, extending over 6 months (May 2019 to October 2019). A total of 124 cases comprising patients of either sex and age group ranging from 1month to 72 years were studied. The data was collected using CDSCO ADR reporting form. “Naranjo’s Assessment Scale” was used for causality assessment and severity assessment was done in accordance with “Hartwig and Siegel scale”.
Results: The study showed majority of ADRs were from General Medicine department and affected skin and appendages (59%). Skin rashes 44 (31.7%) were found to be the most commonly reported ADRs most of them were with antimicrobials 67 (54%). After causality assessment 83 (66.9%) of the cases were classified as probable and 41 (33.1%) were classified as possible. Majority of serious ADRs were not preventable in our study.
Conclusions: ADRs are a major cause of morbidity worldwide. Frequency of ADRs can be reduced by careful follow up and a robust hospital-based pharmacovigilance setup. Measures to improve detection and reporting of adverse drug reactions by all health care professionals is recommended.
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