I have been on Topamax for over a year now. I am not always consistent in taking it since I have to take it at bed time: I am on 25mg and until recently I had a bad migraine over the weekend which subsided in two days. Afterwards, .i had horrible postdrome symptoms and something out of the norm. I felt extremely depressed, irritable, mood swings, and foggy. Can anyone else share their experience? I feel extremely anxious and just like my head will explode.