Study of drug utilization pattern and adverse drug reactions of psychotropic drugs in psychiatric inpatient department of tertiary care hospital

ABSTRACT

Background: Mental disorders are now widely recognized as a major contributor to the global burden of disease. The drug use in psychiatric illness is a complex process and because of this the optimal benefits of drug therapy in patient care is not achieved. This often leads to increased cost of medical care, drug resistance, adverse effects and patient mortality. Hence, this study is undertaken to study the drug utilization pattern and adverse drug reactions of psychotropic drugs in psychiatric inpatient department of a tertiary care hospital.Methods: A prospective, observational study was undertaken from 1st February 2015 to 31st July 2016. A total of 250 prescriptions were analysed. Defined daily dose of the drugs were calculated. ADR’s were recorded in the format of the National Pharmacovigilance Programme of India (PvPI).Results: In 250 prescriptions most, common drug prescribed was antipsychotics (48.5%). Total drug utilization in terms of DDD/100 bed days was 669. The total number of adverse drug reactions observed was 8%. Antipsychotics were the most common class of psychotropic drugs causing ADR’s.Conclusions: In conclusion, it has been found that the psychotropic drugs used in our psychiatry department was rational and was based on clinical knowledge, expertise and the guidelines available in the field of psychiatric practice.