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Moraxella respiratory infection in COPD — SCE Respiratory MCQ

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EasyRespiratory InfectionsMoraxella respiratory infection in COPDSCE Respiratory

A 73-year-old woman has severe COPD and receives prednisolone for an exacerbation. On day 5 she develops fever and new right lower-zone consolidation. Sputum culture grows Moraxella catarrhalis sensitive to doxycycline. What is the most appropriate management?

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Correct answer: A — Treat with a targeted oral antibiotic and continue COPD exacerbation care

Moraxella catarrhalis is a recognised COPD exacerbation and pneumonia pathogen, and targeted antibiotic therapy is appropriate when consistent with clinical infection. Aspergillosis and TB are not supported by the acute culture and radiographic context. Bronchodilators remain part of COPD care, and ignoring the isolate would be unsafe.

Reference: NICE NG115; NICE pneumonia antimicrobial guidance