"March 4, 2010 -- One of the oldest drugs used to treat the most common form of pediatric epilepsy is also the most effective, a study shows.
As many as 17% of children with epilepsy have absence seizures, also known as petit mal seizure"...
Overdosage with valproate may result in somnolence, heart block, deep coma, and hypernatremia. Fatalities have been reported; however, patients have recovered from valproate levels as high as 2120 mcg/mL.
In overdose situations, the fraction of drug not bound to protein is high and hemodialysis or tandem hemodialysis plus hemoperfusion may result in significant removal of drug. The benefit of gastric lavage or emesis will vary with the time since ingestion. General supportive measures should be applied with particular attention to the maintenance of adequate urinary output.
Naloxone has been reported to reverse the CNS depressant effects of valproate overdosage. Because naloxone could theoretically also reverse the antiepileptic effects of valproate, it should be used with caution in patients with epilepsy.
- Depakene should not be administered to patients with hepatic disease or significant hepatic dysfunction [see WARNINGS AND PRECAUTIONS].
- Depakene is contraindicated in patients known to have mitochondrial disorders caused by mutations in mitochondrial DNA polymerase γ (POLG; e.g., Alpers-Huttenlocher Syndrome) and children under two years of age who are suspected of having a POLG-related disorder [see WARNINGS AND PRECAUTIONS].
- Depakene is contraindicated in patients with known hypersensitivity to the drug [see WARNINGS AND PRECAUTIONS].
- Depakene is contraindicated in patients with known urea cycle disorders [see WARNINGS AND PRECAUTIONS].
Last reviewed on RxList: 3/17/2017
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