Case Report

Multiple Adverse Effects of Pyridium: A Case Report

Authors: Charles Haigh, MD, MSC, James C. Dewar, MD

Abstract

Abstract:Pyridium (phenazopyridine hydrochloride) is often prescribed as an analgesic in patients following trauma, surgery, or infections of the urinary tract. Pyridium toxicity has been previously reported, however, most cases result in a single adverse effect. Herein the authors describe an elderly patient who presented with simultaneous multiple adverse effects, including a previously undocumented myelosuppressive pancytopenia.

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