depression
"I'm on my 5th day of starting Welbutrin SR (generic) 100mg and feel more energetic and less depressed and lethargic. That could be a placebo effect so early in treatment, but I know for sure that its almost completey taken away my appetite.  I actually forget to eat. I had been on Prozac, which worked great at first and then the therapeutic effects seemed to fade over the months until I was severely depressed again.  This has happened to me with several other antidepressants as well.  I hope that Welbutrin will work consistently for me.  So far I'm very happy with the results."