Abstract | OBJECTIVE: CASE SUMMARY: A 63-year-old white woman presented to the emergency department with complaints of fatigue and bluish discoloration of her body that had gradually progressed over the previous 6-8 weeks. About 4 months prior to presenting to the emergency department, she had started taking phenazopyridine, an over-the-counter medication for symptoms of dysuria. Because the cyanosis did not improve after the patient received oxygen and methylene blue, sulfhemoglobinemia was suspected and confirmed by spectrophotometer analysis. DISCUSSION: CONCLUSIONS: This case of sulfhemoglobinemia, which occurred after the patient took phenazopyridine, is considered a probable adverse event according to the Naranjo probability scale.
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Authors | Anuradha S Gopalachar, Venita L Bowie, Parag Bharadwaj |
Journal | The Annals of pharmacotherapy
(Ann Pharmacother)
Vol. 39
Issue 6
Pg. 1128-30
(Jun 2005)
ISSN: 1060-0280 [Print] United States |
PMID | 15886294
(Publication Type: Case Reports, Journal Article)
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Chemical References |
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Topics |
- Administration, Oral
- Female
- Humans
- Middle Aged
- Phenazopyridine
(administration & dosage, adverse effects)
- Sulfhemoglobinemia
(chemically induced, diagnosis)
- Urinary Tract Infections
(drug therapy)
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