ArticleJournal of community hospital internal medicine perspectives2023
Syncope Following Treatment of UTI: A Case of Acute Hemolytic Anemia, Methemoglobinemia and Acute Renal Dysfunction Following Phenazopyridine Use in a Patient With G6PD Deficiency.
Article in Journal of community hospital internal medicine perspectives, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 1 citations in OpenAlex.
- Regulation of ferroptosis in colorectal cancer through therapeutic modulation and miRNA targeting.Biochemistry and biophysics reports · 2026Article
- Development and validation of a risk prediction model for hepatorenal syndrome in hepatic failure patients based on glucose-6-phosphate dehydrogenase and hepatic and renal function biochemical parameters.Journal of medical biochemistry · 2026Article
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11 authors at 1 institution in 2 countries.
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Abstract
Glucose-6-phosphate dehydrogenase (G6PD) deficiency is an X-linked recessive genetic disorder which commonly affects males. It is due to a defect in the red blood cell enzyme, G6PD. Lack of G6PD makes the RBCs vulnerable to oxidant stress resulting in hemolysis. The severity of hemolytic anemia varies among individuals with G6PD deficiency. Here we present a case of an 80-year-old man admitted with syncope and jaundice. He was treated with phenazopyridine for a UTI 2 weeks ago. Subsequent investigation revealed G6PD deficiency as well as methemoglobinemia. Historically, phenazopyridine has been associated with causing methemoglobinemia and triggering hemolysis in G6PD deficient individuals. However, only a few cases have been reported in the last 60 years, making it a very rare occurrence.
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