Acute tacrolimus overdose and treatment with phenytoin in liver transplant recipients.

Z. Karasu, A. Gurakar, J. Carlson, S. Pennington, B. Kerwin, H. Wright, B. Nour, A. Sebastian

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


As a potent immunosuppressive agent, Tacrolimus is widely used in organ transplantation. Although complications due to chronic Tacrolimus use are rather well recognized, little is known about acute overdose and its treatment. Phenytoin, an anti-convulsant agent, can induce the Cytochrome P450 enzyme in the liver, which metabolizes Tacrolimus. Therefore, it can be considered as a potential treatment option for acute Tacrolimus toxicity. We hereby report two cases of acute Tacrolimus overdose after Orthotopic Liver Transplantation and the treatment with Phenytoin. Probable mechanisms of metabolism and interactions of these two drugs are discussed and the literature is reviewed.

Original languageEnglish (US)
Pages (from-to)121-123
Number of pages3
JournalThe Journal of the Oklahoma State Medical Association
Issue number4
StatePublished - Apr 2001
Externally publishedYes

ASJC Scopus subject areas

  • Medicine(all)


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