Tablet
200 mg
100 mg (chewable)
Syrup
100 mg/5 ml
Dosage Forms
Uses
Dose and Duration
Grand mal and temporal lobe epilepsy
Adult: Initially, 100–200 mg 1–2 times daily.
Increase as needed in 100 mg increments every 2 weeks until
reaching usual maintenance dose of 800–1200 mg in divided doses
Child 12–18 years:
Initially, 100–200 mg 1–2 times dai ly, increased gradually as
needed to usual maintenance dose of 400–600 mg two to three
times daily
Child 1 month–12 years:
Initially, 5 mg/kg at night or 2.5 mg/kg every 12 hours
increased by 2.5–5 mg/kg every 3–7 days if necessary. Usually
maintenance dose of 5 mg/kg 2–3 times daily; in some cases up to
20 mg/kg daily may be needed
Nerve pain
Initially 100 mg 1–2 times daily, increased gradually according
to response. Usual dose is 200 mg 3–4 times daily (up to 1.6 g
per day may be needed)