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Research Article Open access CC BY 3.0

The Utilization Pattern and Costs Analysis of Psychotropic Drugs at a Neuropsychiatric Hospital in Nigeria

Charles C. Ezenduka, Vincent N. Ubochi, Brian O. Ogbonna

Journal of Pharmaceutical Research International · pp. 325–337 · Published 25 Nov 2013

10.9734/BJPR/2014/5988

Abstract

Background/Aim: Drug utilisation study is essential for evaluating patient care to improve service delivery through awareness creation for appropriate choice of drugs. The study analysed the prescription pattern and associated costs of psychotropic drugs at the outpatient unit of a mental health facility in Nigeria, to assess and document information for enhancing rational and cost-effective use of psychotropic medicines. Methods: A retrospective analysis of prescription records covering 8 September and 28 October 2008, was carried out using the WHO recommended use indicators, adapted for mental health care. Data was analysed for number of drugs, number of prescriptions, cost of prescription and cost per defined daily dose (DDD). Results: 1,756 prescriptions were analysed. Each prescription contained an average of 2.1 (±0.75) drugs, at a mean cost of N1, 089 (±N2, 127). Antipsychotics accounted for the highest number of prescribed drugs in 82% (1441/1756) of prescriptions, followed by antidepressants, 13%. Atypical antipsychotics were the most expensive psychotropics at an average cost per DDD of N241.67 (±N97.77), about 35 times the average cost per DDD of traditional psychotropics at N7.00 (±N2.65), which were the cheapest, accounting for over 90% of total prescriptions. Conclusion: The high use frequency of antipsychotics suggests psychosis as the prevalent mental health disorders in the environment. Significant antipsychotic-antipsychotic combinations indicate scope for improving the use of antipsychotics. Average cost of prescription reflects the economic status of patients’ population where cost appears to be the major consideration of the choice of prescribers, limiting the use of newer and better tolerated psychotropics. Policy measures are required to improve access to the utilisation of newer psychotropics for enhanced quality of life of patients. The study provides a baseline data for carrying out further utilisation studies, to provide regular information for improving psychotropic drugs utilisation in mental health facilities in Nigeria.

Drug utilization study rational drug use psychotropic drugs drugs per prescription cost per prescription Nigeria

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