Lamictal extended-release tablets (Lamictal XR) are approved for use along with another anticonvulsant to treat the following types of seizures in adults and children 13 years and older ...

Conversion from adjunctive therapy with carbamazepine, phenytoin, phenobarbital, or primidone to monotherapy: after achieving a dosage of 500mg/day of Lamictal XR using guidelines above ...