51 5 mg dispersible/ chewable tablets - where 2 mg dispersible/ chewable tablets are not marketed and Lamictal 5 mg dispersible/ chewable tablets are the lowest marketed strength: < * If the calculated daily dose in patients taking valproate is 2.5 mg or more but less than 5 mg, then Lamictal 5 mg dispersible/ chewable tablets may be taken on alternate days for the first two weeks.