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IgA vasculitis nephritis risk — RACP Paediatrics MCQ

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ModerateRenalIgA vasculitis nephritis riskRACP Paediatrics

A 6-year-old has palpable purpura on the legs, ankle arthralgia and colicky abdominal pain after an upper respiratory infection. Urinalysis shows trace blood and blood pressure is normal. What would you advise the parents?

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

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Correct answer: C — Regular blood pressure and urinalysis follow-up is needed after the rash settles

IgA vasculitis can develop renal involvement after the initial rash, so scheduled BP and urine monitoring is needed even when creatinine is initially normal. Antibiotics do not prevent recurrence. The pearl is that long-term outcome relates mainly to renal disease, not the severity of the rash.

Reference: RCH Clinical Practice Guidelines: Henoch-Schönlein purpura / IgA vasculitis