Widjaja CE, Olvera JG, Metz PJ, Phan AT, Savas JN, de Bruin G, et al
K.Margis-PinheiroM.PenelC.DunandC
Therefore increased monitoring of valproate and concomitant drug concentrations and dosage adjustment are indicated whenever enzyme-inducing or inhibiting drugs are introduced or withdrawn (7.1) Aspirin, carbapenem antibiotics, estrogen-containing hormonal contraceptives: Monitoring of valproate concentrations is recommended (7.1) Co-administration of valproate can affect the pharmacokinetics of other drugs (e.g., diazepam, ethosuximide, lamotrigine, phenytoin) by inhibiting their metabolism or protein binding displacement (7.2) Patients stabilized on rufinamide should begin valproate therapy at a low dose, and titrate to clinically effective dose (7.2) Dosage adjustment of amitriptyline/nortriptyline, propofol, warfarin, and zidovudine may be necessary if used concomitantly with Valproic acid (7.2) Topiramate: Hyperammonemia and encephalopathy (5.10, 7.3) Use In Specific Populations Pregnancy: Valproic acid can cause congenital malformations including neural tube defects, decreased IQ, and neurodevelopmental disorders (5.2, 5.3, 8.1) Pediatric: Children under the age of two years are at considerably higher risk of fatal hepatotoxicity (5.1, 8.4) Geriatric: Reduce starting dose
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For selected patients, hyperbaric oxygen therapy in Edmonton may be considered as a complementary component of a broader recovery program that can also include rehabilitation, physical therapy, vestibular therapy, nutritional support, sleep optimization, and other appropriate interventions
