• Clare Heal, Hilary Gorges, Mieke L van Driel, Amanda Tapley, Josh Davis, Andrew Davey, L Holliday, Jean Ball, Nashwa Najib, Neil Spike, Kristen FitzGerald, and Parker Magin.
• School of Medicine and Dentistry, James Cook University, Mackay, Queensland, Australia Clare.Heal@jcu.edu.au.
• BMJ Open. 2019 Oct 28; 9 (10): e031527.

ObjectiveTo establish the prevalence and associations of systemic antibiotic prescription for impetigo by early-career general practitioners (GPs) (GP registrars in their first 18 months in general practice).DesignA cross-sectional analysis of data from the Registrar Clinical Encounters in Training (ReCEnT) study.SettingReCEnT is an ongoing multisite cohort study of Australian registrars' in-consultation clinical practice across five Australian states.ParticipantsRegistrars participating in ReCEnT from 2010 to 2017.Outcome MeasuresManagement of impetigo with systemic antibiotics.Results1741 registrars (response rate 96%) provided data from 384 731 problems identified in 246 434 consultations. Impetigo, on first presentation or follow-up, was managed in 930 (0.38%, 95% CI 0.35 to 0.40) consultations and comprised 0.24% (95% CI 0.23 to 0.26) of problems. 683 patients presented with a new diagnosis of impetigo of which 38/683 (5.6%) were not prescribed antibiotics; 239/683 (35.0%) were prescribed solely topical antibiotics; 306/683 (44.8%) solely systemic antibiotics and 100/683 (14.6%) both systemic and topical antibiotics. The most common systemic antibiotic prescribed was cephalexin (53.5%). Variables independently associated with prescription of systemic antibiotics were an inner regional (compared with major city) location (OR 1.82, 95% CI 1.06 to 3.13; p=0.028), seeking in-consultation information or advice (OR 2.17, 95% CI 1.47 to 3.23; p<0.001) and ordering pathology (OR 2.13, 95% CI 1.37 to 3.33; p=0.01).ConclusionsAustralian early-career GPs prescribe systemic antibiotics (the majority broad-spectrum) for a high proportion of initial impetigo presentations. Impetigo guidelines should clearly specify criteria for systemic antibiotic prescription and individual antibiotic choice. The role of non-antibiotic management and topical antiseptics needs to be explored further.© Author(s) (or their employer(s)) 2019. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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