Volume 192 - Issue 9
Computerised prescribing: assessing the impact on prescription repeats and on generic substitution of some commonly used antibiotics
Authors: David A Newby and Jane Robertson
Med J Aust 2010; 192 (9): 543-544. || doi: 10.5694/j.1326-5377.2010.tb03630.x
Published online: 3 May 2010
Published online: 3 May 2010
In reply: We accept the evidence presented by Henderson and colleagues that the antibiotics examined in our study are not used exclusively for upper respiratory tract infections (URTIs), and we acknowledge in our article the lack of information on indication for treatment. However, data from the Bettering the Evaluation and Care of Health (BEACH) program have been used by others to suggest that the four antibiotics represent over 60% of the prescribed antibiotics for URTIs.1 Our study does not assess the appropriateness of the antibiotic choices, focusing instead on duration of therapy as implied by the issuing of repeat prescriptions.
Irrespective of indications for use of these antibiotics, our data still support our primary conclusion that computerised prescribing is associated with increased repeat ordering for these, and probably other, antibiotics. The increase in repeat ordering could possibly be explained if doctors who use computers to prescribe see “sicker” patients or a significantly different case-mix from those who write prescriptions by hand. However, the size of the difference (70% v 40% of prescriptions with repeats, respectively), the consistency across the antibiotics examined, and the identical rate of repeat ordering on handwritten prescriptions in both surveys, makes this conclusion unlikely.
References
- National Prescribing Service. Prescribing practice review 9: questions to review your prescribing. Sydney: NPS, 2000. http://www.nps.org.au/__data/assets/pdf_file/0005/16925/ppr09.pdf (accessed Mar 2010).
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