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Case Reports
. 2020 Feb;26(2):286-288.
doi: 10.1016/j.jiac.2019.08.014. Epub 2019 Sep 20.

Cefdinir-induced red stool and purple discoloration of nutritional formula: A case report

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Case Reports

Cefdinir-induced red stool and purple discoloration of nutritional formula: A case report

Khalid Eljaaly et al. J Infect Chemother. 2020 Feb.

Abstract

This case report describes a 4-year-old girl with food aversion who received three separate courses of cefdinir mixed with PediaSure®, an iron-fortified nutritional formula. The patient's stool turned red with variable onset during all three courses of treatment. Moreover, the PediaSure® formula turned purple after mixed with cefdinir, an interaction that has not been previously reported. We recommend that medication counseling for pediatric patients taking cefdinir include a mention of these possible discolorations.

Keywords: Cefdinir; Formula; Purple; Red; Stool; Violet.

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