skip to main content

PBB in High-Risk Children — RACP Paediatrics MCQ

Instant feedback + full explanation. One question, done properly.

ModerateRespiratoryPBB in High-Risk ChildrenRACP Paediatrics

An 18-month-old Aboriginal child has a chronic moist cough for 6 weeks. He has had 3 previous episodes of acute lower respiratory tract infection. Flexible bronchoscopy with BAL shows neutrophilic inflammation and cultures grow Haemophilus influenzae. HRCT is normal. What is the recommended antibiotic duration?

Educational content. Not a substitute for clinical judgement or local policy.

Reveal the answer and explanation

Correct answer: C — 4 weeks minimum

In children at high risk of bronchiectasis (including Aboriginal and Torres Strait Islander children with recurrent LRTI), antibiotic courses for PBB should be for a minimum of 4 weeks. Shorter courses are associated with early relapse and risk of bronchiectasis development.

Reference: Thoracic Society of Australia and New Zealand – 2024 – Position Statement on PBB