Phenazopyridine - induced methaemoglobinaemia

S. O'Mahony, P. Finucane, D. Hinds

Research output: Contribution to journalArticlepeer-review

Abstract

The ability of redox drugs and chemicals to induce methaemoglobinaemia is well recognised. Phenazopyridine, a commonly used urinary analgesic, is one such drug which occasionally causes methaemoglobinaemia. Most cases have occurred following overdose, or in patients with impaired renal function (Cohen and Borasso, 1971; Nathan et al, 1977; Sand and Edelman, 1961; Greenberg and Wong, 1964; Crawford et al, 1951; Randazzo et al, 1975; Jeffery et al, 1982). 1982). We report a case of life-threatening methaemoglobinaemia due to phenazopyridine overdose, in a young woman who denied drug ingestion.

Original languageEnglish
Pages (from-to)433-434
Number of pages2
JournalIrish Journal of Medical Science
Volume154
Issue number11
DOIs
Publication statusPublished - Nov 1985
Externally publishedYes

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