###Human: Are my memory problems due to the long term use of Lamotrigine? ###Assistant: Hi. As you mentioned that you are suffering from depression and was always undermedicated, in depression, it is common to have a disturbance of memory and attention which lead to forgetfulness. These memory issues are most probably due to depression itself and not due to Lamotrigine use. For depression, I would suggest you have an SSRI which are the best treatment strategies for depression and discuss your memory lapses to your psychiatrist.