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Doxylamine Overdose in Teenager with Incidental Pituitary Apoplexy: Case Report

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Abstract

Altered mental status and fever in a teenager can be a challenging diagnostic dilemma and thus requires a detailed history and a broad differential diagnosis and workup. A teenager presented with altered mental status and fever was found incidentally to have a pituitary hemorrhage (pituitary apoplexy) but ultimately diagnosed with doxylamine intoxication. Doxylamine, an antihistamine commonly included in sleep aids, toxicity may present with fever and altered mental status and may result in a false positive methadone result on urine toxicology studies due to interference with immunoassay-based drug kits. Pituitary apoplexy is a rare complication of pituitary tumors, usually presenting with headache, visual impairment, and corticotropic abnormalities but not typically associated with altered mental status or impaired consciousness. Although it has the potential for serious sequelae, presentations in pediatric patients have been more subacute.

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References

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Acknowledgements

Thank you to the Pediatric Intensive Care Unit staff and Pediatric Endocrinology, Neurosurgery, Psychiatry, Neurology, Social Work teams at the LAC+USC Medical Center in the exemplary multidisciplinary care of this child.

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Dr. Bhattacharjee, Dr. Cervantes, Dr. Cao, and Dr. Im all contributed to the literature review and manuscript preparation of the case report. Dr. Im was responsible for the final review and editing of the manuscript.

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Correspondence to Daniel D. Im.

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This article does not contain any studies with human participants or animals performed by any of the authors. All authors have disclosed no financial relationships relevant to this article. This article does not contain a discussion of an unapproved/investigative use of a commercial product/device.

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Bhattacharjee, S., Cervantes, L., Cao, C. et al. Doxylamine Overdose in Teenager with Incidental Pituitary Apoplexy: Case Report. SN Compr. Clin. Med. 3, 694–697 (2021). https://doi.org/10.1007/s42399-021-00763-0

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  • DOI: https://doi.org/10.1007/s42399-021-00763-0

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