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Co-prescription of opioids with benzodiazepine and other co-medications among opioid users: differential in opioid doses

Zin, Che Suraya and Ismail, Fadhilah (2017) Co-prescription of opioids with benzodiazepine and other co-medications among opioid users: differential in opioid doses. Journal of Pain Research, 10. pp. 249-257. ISSN 1178-7090

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Abstract

Purpose: This study investigated the patterns of opioid co-prescription with benzodiazepine and other concomitant medications among opioid users. Opioid dose in each type of co-prescription was also examined. Patients and methods: This cross-sectional study was conducted among opioid users receiving concomitant medications at an outpatient tertiary hospital setting in Malaysia. Opioid prescriptions (morphine, fentanyl, oxycodone, dihydrocodeine and tramadol) that were co-prescribed with other medications (opioid + benzodiazepines, opioid + antidepressants, opioid + anticonvulsants, opioid + antipsychotics and opioid + hypnotics) dispensed from January 2013 to December 2014 were identified. The number of patients, number of co-prescriptions and the individual mean opioid daily dose in each type of co-prescription were calculated. Results: A total of 276 patients receiving 1059 co-prescription opioids with benzodiazepine and other co-medications were identified during the study period. Of these, 12.3% of patients received co-prescriptions of opioid + benzodiazepine, 19.3% received opioid + anticonvulsant, 6.3% received opioid + antidepressant and 10.9% received other co-prescriptions, including antipsychotics and hypnotics. The individual mean opioid dose was <100 mg/d of morphine equivalents in all types of co-prescriptions, and the dose ranged from 31 to 66 mg/d in the coprescriptions of opioid + benzodiazepine. Conclusion: Among the opioid users receiving concomitant medications, the co-prescriptions of opioid with benzodiazepine were prescribed to 12.3% of patients, and the individual opioid dose in this co-prescription was moderate. Other co-medications were also commonly used, and their opioid doses were within the recommended dose. Future studies are warranted to evaluate the adverse effect and clinical outcomes of the co-medications particularly in long-term opioid users with chronic non-cancer pain.

Item Type: Article (Journal)
Additional Information: 4127/55156
Uncontrolled Keywords: co-prescription, opioid, benzodiazepine, co-medication, opioid users, pain
Subjects: R Medicine > RS Pharmacy and materia medica
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Pharmacy > Department of Pharmacy Practice
Depositing User: Assoc Prof Che Suraya Haji Mohd Zin
Date Deposited: 20 Mar 2017 10:15
Last Modified: 19 Mar 2018 08:40
URI: http://irep.iium.edu.my/id/eprint/55156

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