Lennox-Gastaut syndrome

Lennox-Gastaut or Dravet (≥1 y) — start 2.5 mg/kg twice daily; after one week 5 mg/kg twice daily (up to 10 mg/kg twice daily)

Lennox-Gastaut (adjunctive, ≥2 y) — starting dose by weight

Lennox-Gastaut, children 2–14 y (adjunct) — start 15 mg/kg/day in 3 doses; weekly up to 45 mg/kg/day

Lennox-Gastaut (≥2 y) — start 0.1 mg/kg twice daily; maintenance 0.35 mg/kg twice daily (max 26 mg/day)

Lennox-Gastaut, children 1–<17 y — start 10 mg/kg/day in two doses

Lennox-Gastaut, adult — start 400–800 mg/day in two doses (max 3200 mg)