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Black urine due to cresol intoxication
  1. Masaaki Hino1,
  2. Akira Kuriyama1,
  3. Yoshiaki Anzai2
  1. 1 Emergency and Critical Care Center, Kurashiki Central Hospital, Kurashiki, Japan
  2. 2 Department of General Medicine, Kurashiki Central Hospital, Kurashiki, Japan
  1. Correspondence to Dr Akira Kuriyama, Emergency and Critical Care Center, Kurashiki Central Hospital, Kurashiki 710-8602, Japan; ak13568{at}

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A 46-year-old woman presented to our hospital with acute-onset vomiting and altered mental status. She had a history of depression with an episode of antipsychotic drug overdose 10 years ago. On arrival, she was comatose and had a strong wood creosote-like smell. Her physical examination revealed miosis, discoloration and blisters on her face without oropharyngeal mucosal erosion. She continuously excreted black urine for a day, …

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  • Contributors All authors looked after the patient. MH and AK wrote the draft. All authors approved the submission of the current manuscript. AK serves as a guarantor for this article.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient consent for publication Written informed consent was obtained.

  • Provenance and peer review Not commissioned; internally peer reviewed.