Case Files of the Medical Toxicology Fellowship at the Oregon Poison Center: Recurrent Methemoglobinemia Following Polypharmacy Overdose

Samy Chettat^{1

2}, Keahi M Horowitz^{3

4}, Matthew S Correia^{3

4}

Affiliations

¹ Division of Emergency Medicine, Section of Medical Toxicology, Oregon Health & Science University, 3181 SW Sam Jackson Park Rd, Portland, OR, 97239, USA. samy.chettat@gmail.com.
² Oregon Poison Center, Portland, OR, USA. samy.chettat@gmail.com.
³ Division of Emergency Medicine, Section of Medical Toxicology, Oregon Health & Science University, 3181 SW Sam Jackson Park Rd, Portland, OR, 97239, USA.
⁴ Oregon Poison Center, Portland, OR, USA.

Samy Chettat et al. J Med Toxicol. 2025.

. 2025 Nov 11.

doi: 10.1007/s13181-025-01106-4. Online ahead of print.

Samy Chettat^{1

2}, Keahi M Horowitz^{3

4}, Matthew S Correia^{3

4}

¹ Division of Emergency Medicine, Section of Medical Toxicology, Oregon Health & Science University, 3181 SW Sam Jackson Park Rd, Portland, OR, 97239, USA. samy.chettat@gmail.com.
² Oregon Poison Center, Portland, OR, USA. samy.chettat@gmail.com.
³ Division of Emergency Medicine, Section of Medical Toxicology, Oregon Health & Science University, 3181 SW Sam Jackson Park Rd, Portland, OR, 97239, USA.
⁴ Oregon Poison Center, Portland, OR, USA.

No abstract available

Keywords: Methemoglobinemia; Phenazopyridine; Pseudojaundice; Pyridium; Yellow.

Conflict of interest statement

Declarations. Conflicts of interests: None.

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