Lamotrigine (Lamictal) can be used alone or together with other medications to treat seizures. It's available in immediate-release and extended-release formulations. The immediate-release formulation can also be used for bipolar disorder. Lamotrigine (Lamictal) can cause serious skin reactions like rash.
Below are common side effects reported by adults who took this medication along with other treatments. Percentages can differ depending on your condition (e.g., bipolar) and your age.