Pharmacology Adverse Drug Effect 3a9e4126 Renal papillary necrosis is caused by? A NSAID B Cocaine C Heroin D Morphine High-Yield Explanation Ans. (a) NSAIDRef Harrisonys Internal Medicine 18/e, Table 285-3, Radiology Illustrated, Uroladiology: Uroradiology by SeungHyup Ki 2/e, p 471