Purpose: To report that acute lamotrigine poisoning may result in severe encephalopathy.
Methods: A 55-year-old woman became stuporous after overdose with lamotrigine (LTG) and valproic acid (VPA) tablets. Evaluation revealed elevated serum LTG levels and no other etiology for encephalopathy.
Results: LTG was withheld, and the patient experienced a complete recovery in conjunction with reduced serum levels.
Conclusions: LTG overdose may result in a severe but reversible encephalopathy, a previously undescribed phenomenon. LTG toxicity should be considered in patients taking this drug who have depressed mental status.
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| http://dx.doi.org/10.1046/j.1528-1157.2001.0420081082.x | DOI Listing |
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