Valproate may lower serum-phenytoin.
D004347:Drug Interactions; D004827:Epilepsy / Q000188:drug therapy; D006801:Humans; D010672:Phenytoin / Q000097:blood*; D014631:Valerates / Q000494:pharmacology*; D014635:Valproic Acid / Q000494:pharmacology* / Q000627:therapeutic use
D014631:Valerates; D014635:Valproic Acid; D010672:Phenytoin