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Fatal Caffeine Overdose: A Case Report and Review of Literature

Jabbar, Seema B. MSIII, BS*; Hanly, Mark G. MBChB, FRCPath(Lond), FCAP, FASCP

American Journal of Forensic Medicine & Pathology: December 2013 - Volume 34 - Issue 4 - p 321–324
doi: 10.1097/PAF.0000000000000058
Case Reports

Abstract: Caffeine is a central nervous system stimulant that is consumed by large numbers of people on a routine basis, usually in the form of coffee or tea. However, if consumed in high doses, this xanthine alkaloid is profoundly toxic and can result in death.

Increasingly being sold as a dietary supplement, many people, particularly those in the health and fitness community, where it is touted as a fitness and muscle building aid, are consuming caffeine anhydrous on a daily basis.

We report a case of fatal caffeine overdose in a 39-year-old man resulting from the self-administered ingestion of approximately 12 g of pure caffeine anhydrous. Autopsy blood caffeine levels were 350 mg/L.

We recommend mandated labeling of pure caffeine anhydrous, highlighting the toxicity risk of ingesting this chemical; and we recommend ensuring that caffeine levels are included in the comprehensive forensic toxicology panel performed on all cases.

From the *Georgia Regents University, Augusta, GA; and †Office of Glynn County Medical Examiner, Brunswick, GA.

Manuscript received February 24, 2013; accepted May 28, 2013.

The authors report no conflicts of interest.

Reprints: Mark G. Hanly, MBChB, FRCPath (Lond), FCAP, FASCP, Southeastern Pathology Associates, Department of Pathology, Office of Glynn County Medical Examiner, 2415 Parkwood Dr, Brunswick, GA 31520. E-mail: mhanly@sepalabs.com.

© 2013 by Lippincott Williams & Wilkins.