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Comments, Opinions, and Brief Case Reports
January 28, 2002

Henoch-Schönlein Purpura: Upper Respiratory Tract Infection or Drug Induced?

Arch Intern Med. 2002;162(2):222-223. doi:

Henoch-Schönlein purpura is the most frequent vasculitis in children. It is characterized by vascular deposition of IgA-dominant immune complexes. It often begins after an upper respiratory tract infection. Purpura, arthralgias, and colicky abdominal pain are the most frequent manifestations. Approximately half the patients have hematuria and proteinuria, but only 10% to 20% have renal insufficiency. It is not a common diagnosis in adults. We present a case that was a diagnostic dilemma until a renal biopsy was done.1

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