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Research Article: General practitioners’ decision-making process to prescribe pain medicines for low back pain: a qualitative study

Date Published: 2023-10-29

Abstract:
Background Pain medicines are widely prescribed by general practitioners (GPs) when managing people with low back pain (LBP), but little is known about what drives decisions to prescribe these medicines. Objectives The aim of this study was to investigate what influences GPs’ decision to prescribe pain medicines for LBP. Design Qualitative study with in-depth interviews. Setting Australian primary care. Participants We interviewed 25 GPs practising in Australia experienced in managing LBP (mean (SD) age 53.4 (9.1) years, mean (SD) years of experience: 24.6 (9.3), 36% female). GPs were provided three vignettes describing common LBP presentations (acute exacerbation of chronic LBP, subacute sciatica and chronic LBP) and were asked to think aloud how they would manage the cases described in the vignettes. Data analysis We summarised GP’s choices of pain medicines for each vignette using content analysis and used framework analysis to investigate factors that affected GP’s decision-making. Results GPs more commonly prescribed opioid analgesics. Anticonvulsants and antidepressants were also commonly prescribed depending on the presentation described in the vignette. GP participants made decisions about what pain medicines to prescribe for LBP largely based on previous experiences, including their own personal experiences of LBP, rather than guidelines. The choice of pain medicine was influenced by a range of clinical factors, more commonly the patient’s pathoanatomical diagnosis. While many adhered to principles of judicious use of pain medicines, polypharmacy scenarios were also common. Concerns about drug-seeking behaviour, adverse effects, stigma around opioid analgesics and pressure from regulators also shaped their decision-making process. Conclusions We identified several aspects of decision-making that help explain the current profile of pain medicines prescribed for LBP by GPs. Themes identified by our study could inform future implementation strategies to improve the quality use of medicines for LBP.

Introduction:
Low back pain (LBP) affects over 4 million Australians every year and pain medicines are widely used in its management. 1 Australian data shows that 2 in every 3 patients who seek primary care are prescribed or recommended at least one pain medicine. Examples include over-the-counter analgesics (eg, paracetamol and non-steroidal anti-inflammatories (NSAIDs)) and prescription medicines such as opioid analgesics, gabapentinoids, antidepressants and muscle relaxants. 2 There is a mismatch between the pharmacological…

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