Henoch-Schönlein Purpura Nephritis
IgA vasculitis with kidney involvement — watch rash + urine changes.
What it is
Kidney inflammation tied to Henoch-Schönlein purpura, where small vessels become inflamed and leak IgA complexes.
Prevalence
HSP affects 8–20 per 100,000 kids; 5–30% develop nephritis with prognosis tied to kidney involvement.
Symptoms to watch
Blood or protein in urine, microscopic hematuria, joint swelling, abdominal pain, rash, GI bleeding, scrotal swelling.
Treatment options
Supportive care (rest, fluids, pain relief), corticosteroids, blood-pressure meds, rituximab for chronic cases, tonsillectomy when infection triggers recur.
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