Ethosuximide (Zarontin); Anticonvulsant; Cap: 250 mg
Syr: 250 mg/5 mL;
3-6 yrs: Initially 15 mg/kg/day PO bid (max 250 mg/dose), increase q4-7days; usual maintenance dose 15-40 mg/kg/day bid
>6 yrs: Initially 250 mg PO bid, increase by 250 mg/day prn q4-7days; usual maintenance dose 20-40 mg/kg/day bid (max 1500 mg/day)
Therapeutic serum range: 40-100 mcg/mL