• Megan Baxter, Kerina J Denny, and Gerben Keijzers.
• School of Medicine, Griffith University, Gold Coast, Queensland, Australia.
• Emerg Med Australas. 2020 Aug 1; 32 (4): 578-585.

ObjectiveTo describe the current practice of prophylactic antibiotic prescribing for patients presenting to the ED with a dog bite, and compare management against existing guidelines.MethodsWe performed a descriptive retrospective study on all consecutive patients who presented to one tertiary teaching hospital and one regional district hospital in Southeast Queensland between 1 July 2017 and 30 June 2018 with a presentation of a dog bite. Data on demographics and management were collected from the electronic medical record using a standardised data collection tool. Risk factors supporting prophylaxis were taken from the electronic Therapeutic Guidelines.ResultsOf the 336 patients included for analysis, 299 received antibiotics, of which 23 were for established infection. A total of 276 (82% of overall cohort) received a prescription for prophylactic antibiotics, either in hospital (ED or admitting ward) and/or on discharge. Of the 178 patients who received prophylactic antibiotics in hospital, 91 (51.1%) received intravenous antibiotics. Of the patients who presented to ED without a previously established infection 271 (86.6%) received prophylactic antibiotics on discharge. Over one quarter (27.5%) of patients who were given prophylactic antibiotics did not meet any high-risk factors as outlined in guidelines.ConclusionProphylactic antibiotics are extensively used for patients with dog bites. There is scope to rationalise antibiotic use and route of antibiotic administration in patients with dog bites.© 2020 Australasian College for Emergency Medicine.

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