"not the most effective. it did tone down my hypomania a little bit. i normally get depressive episodes at a set time every year, and lamotrigine pushed it a bit later than it would have been. besides that, it didn&#039;t do much; i&#039;m still having severe depressive episodes that lead to suicidality. no side effects on its own, but i&#039;ve noticed that it seems to magnify the side effects of other drugs if i take both (e.g., if i take a drug that makes me drowsy, lamotrigine makes me more drowsy; if i take a drug that makes me nauseous, lamotrigine makes me more nauseous, etc.). all in all i&#039;m pretty neutral on this drug. it&#039;s not great, but not bad."