Lametec 100 is commonly used for Bipolar II Disorder, but whether it can be safely continued with a newly prescribed medicine depends entirely on the name of the new medication, the dose, and your medical history. Some medicines can interact with lamotrigine and may increase side effects, affect mood stability, or change seizure risk. Do not stop or adjust Lametec on your own. Please share the exact new medicine with your psychiatrist or prescribing doctor so they can check for interactions and advise the safest combination and monitoring plan.