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Valproic Acid in Status Epilepticus
- In previous pearls, we have discussed the treatment of status epilepticus (SE) with first-line (benzodiazepines) and second-line agents (phenytoin/fosphenytoin).
- Refractory SE is defined as the failure to respond to both first- or second-line antiepileptic medications.
- Valproic acid is listed in many algorithms as a third-line agent for treating SE.
- Avoid valproic acid in refractory SE patients who have hepatic disease or dysfunction.
- Although rare, valproic acid can cause a fatal hepatotoxicity in these patients.
References
Pillow MT, Malani N. Best practices for seizure management in the emergency department. ACEP News 2011; 30(1):14-16.