IV Epilepsy 400-800 mg depending on body wt up to 10 mg/kg inj over 3-5 min followed by continuous or repeated infusion up to max of 2,500 mg/day.
Childn 20-30 mg/kg/day inj over 3-5 min followed by continuous or repeated infusion.
Patient in whom plasma valproic acid level can be monitored May increased dose up to 40 mg/kg/day if adequate control is not achieved.
Concomitant use w/ other anticonvulsant Gradually initiate therapy w/ target dose being reached after 2 wk. May raise Na valproate by 5-10 mg/kg/day when used in combination w/ liver enzyme-inducing anticonvulsants (eg, phenytoin, phenobarb & carbamazepine).