Rheumatic Heart Disease Prophylaxis — RACP Paediatrics MCQ
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Correct answer: C — Every 28 days
RHDAustralia guidelines recommend IM benzathine benzylpenicillin G every 28 days for secondary prophylaxis of ARF/RHD. In some high-risk populations, some experts advocate for every 21 days, but 28 days is the standard recommendation. Adherence to secondary prophylaxis is the single most important intervention to prevent recurrent ARF and progressive valvular damage.
Reference: RHDAustralia – 2024 – Australian Guideline for Prevention, Diagnosis and Management of Acute Rheumatic Fever and Rheumatic Heart Disease