By mouth: the initial oral dose is 300 mg on day 1, then 300mg twice daily on day 2, then 300mg 3 times daily on day 3. Alternatively, 300 mg three times daily on day 1; then increased according to response in steps of 300 mg every 2 -3 days.
Usual dose: 0.9 – 3.6 g daily in 3 divided doses (Max. 4.8 g daily)
Doses in children, for use as adjunctive therapy in children aged 6 years and over, and as monotherapy in those aged 12 years or over.
