Toxicity From The Use Of Niacin To Beat Urine Drug Screening

Jacob Bell

New Member
Presented at the 8th Annual Clinical Pathological Case Presentation Competition, 2006 North American Congress of Clinical Toxicology (NACCT) meeting, October 2006, San Francisco, CA.

Manoj K. Mittal MD, MRCPa, b, Corresponding Author Contact Information, E-mail The Corresponding Author, Todd Florin MDb, Jeanmarie Perrone MDc, João H. Delgado MDd, Kevin C. Osterhoudt MD, MSCEa, b
Purchase
a Division of Emergency Medicine, The Children's Hospital of Philadelphia, Philadelphia, PA
b Department of Pediatrics, University of Pennsylvania School of Medicine, Philadelphia, PA
c Department of Emergency Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA
d Divisions of Emergency Medicine and Medical Toxicology, Hartford Hospital, Hartford, CT.

Received 28 October 2006; revised 29 November 2006; revised 3 January 2007; Accepted 19 January 2007. Available online 5 April 2007.

Niacin (vitamin B3) is promoted for rapidly clearing the body of drugs of abuse, such as cocaine and cannabis, and is alleged to interfere with urine drug screening. We present 4 cases of such novel use associated with significant adverse effects. Two cases had isolated skin manifestations, whereas the other 2 presented with life-threatening manifestations, including nausea, vomiting, dizziness, hepatotoxicity, metabolic acidosis, and hypoglycemia evolving into hyperglycemia. One patient also had profound neutrophilia and QTC-interval prolongation. All patients improved after cessation of the drug use and supportive treatment. Health care providers should be aware of these potential adverse effects of niacin and of the misguided use of this vitamin by patients seeking to interfere with urine drug screening.
Article Outline

Introduction
Case Report
Patient 1
Patient 2
Discussion
Summary
References

Supervising editor: Richard C. Dart, MD, PhDFunding and support: By Annals policy, all authors are required to disclose any and all commercial, financial, and other relationships in any way related to the subject of this article, that may create any potential conflict of interest. The authors have stated that no such relationships exist. See the Manuscript Submission Agreement in this issue for examples of specific conflicts covered by this statement.Publication dates: Available online April 5, 2007.Reprints not available from the authors.


Corresponding Author Contact InformationAddress for correspondence: Manoj K. Mittal, MD, MRCP, Division of Emergency Medicine, The Children's Hospital of Philadelphia, 34th Street and Civic Center Boulevard, Philadelphia, PA 19104-4399; 215-590-1944, fax 215-590-4454


Source: Toxicity From the Use of Niacin to Beat Urine Drug Screening
 
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