EPILEPSY : 300 MG ON DAY 1, THEN 300 MG TWICE DAILY ON DAY 2, THEN 300 MG 3 TIMES DAILY ON DAY 3 OR INITIALLY 300 MG 3 TIMES DAILY ON DAY 1, THEN INCREASED ACCORDING TO RESPONSE IN STEPS OF 300 MG DAILY (IN 3 DIVIDED DOSES) EVERY 2 - 3 DAYS; USUAL DOSE 0.9 - 3.6 G DAILY IN 3 DIVIDED DOSES (APPROX. EVERY 8 HOURS); CHILD 6 - 12 YEARS (ADJUNCTIVE THERAPY ONLY) 10 - 15 MG/KG DAILY IN 3 DIVIDED DOSES, INCREASED ACCORDING TO RESPONSE OVER 3 DAYS; USUAL DOSE 25 - 35 MG/KG DAILY (IN 3 DIVIDED DOSES APPROX. EVERY 8 HOURS)
NEUROPATHIC PAIN, ADULT OVER 18 YEARS, 300 MG ON DAY 1, THEN 300 MG TWICE DAILY ON DAY 2, THEN 300 MG 3 TIMES DAILY (APPROX. EVERY 8 HOURS) ON DAY 3 OR INITIALLY 300 MG 3 TIMES DAILY ON DAY 1, THEN INCREASED ACCORDING TO RESPONSE IN STEPS OF 300 MG DAILY (IN 3 DIVIDED DOSES) EVERY 2 - 3 DAYS TO MAX. 3.6 G DAILY
INTERVAL BETWEEN DOSES SHOULD NOT EXCEED 12 HOURS.