I felt that way when I was on welbutrin for depression. The fog likely started creeping in sooner, but I didn't notice it for over a year. As soon as I got off,

I felt that way when I was on welbutrin for depression. The fog likely started creeping in sooner, but I didn't notice it for over a year. As soon as I got off, the fog started to lift. Just something to consider if you take any medications.