Case Presentation: Introduction: Hydralazine is an adjunctive antihypertensive medication that is associated with antineutrophil cytoplasmic antibody (ANCA) – associated vasculitis. Kidney involvement usually comprises a pauci-immune, necrotizing glomerulonephritis with crescents. We describe a rare case of hydralazine induced ANCA positive vasculitis with acute tubulointerstitial nephritis and without glomerular involvement. Case Report: A 74 year old [...]