I ' ve been taking it for a while . I had moderately bad side effects in the first two weeks depression , suicide ideation , mild generalized headache , then that stuff went away . The only thing I notice now is that I get a very mild headache and an odd form of lethargy if I take it on an empty stomach it feels like I ' m tired mentally but not physically , but it only lasts for a few hours . Otherwise , no real issues , though at this point its hard to tell how I was before AEDs . I think I ' m slower and more forgetful , but if so , its not much worse than it was before . One thing , careful about deciding to go on it . Its expensive and doesn ' t go off patent until 2022 I believe . I get some withdrawals if I miss a dose sweating , thoughts all over the place , seizures come on very quickly , so I think it would take me a while to titrate down on it it took me 2 weeks to titrate up , and I had the side effects listed above while my body adjusted