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KMID : 0882420070720000314
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Korean Journal of Medicine
2007 Volume.72 No. 0 p.314 ~ p.317
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A case of methemoglobinemia caused by hair dyeing with henna
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Park Sang-Soon
Nam Eun-Mi
Kim In-Hwan
Kim Jeong-Soon
Lim Yeun-Jung
Ahn Seong-Jun
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Abstract
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Methemoglobin occurs as a result of oxidation of the iron moiety, whcih changes the normal ferrous (Fe2+) state of hemoglobin to the ferric (Fe3+) state. In this ferric state, an alteration of the molecule has occurred that inhibits its oxygen-binding properties. Acquired methemoglobinemia is caused by toxins that oxidize heme iron. We report here on a case in which methemoglobinemia occurred after hair dyeing with Henna. A 35-year old female was admitted due to dyspnea and cyanosis after using Henna hair dye. She used black henna, which probably contained paraphenylenediamine. The initial SpO2, as determined by pulse oximeter, was 82%. On the arterial blood gas analysis, the PaO2 was 126.9 mmHg and the SaO2 was 99.1%. We supplied oxygen at 10 L/min through a nasal prong, but her cyanosis was not improved. On the CO -oximeter, the MetHb was 42.2%. Methylene blue was administered and the cyanosis was improved.(Korean J Med 72:S314-S317, 2007)
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KEYWORD
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Methemoglobinemia, Henna, Paraphenylenediamine
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