http://en.wikipedia.org/wiki/Clinical_de...
for depression, and none of them cause weight loss.

When I was on Prozac it caused me to be very tired and I wound up eating less because I was so tired and sleeping all the time. I also got the liquid instead of the pills because I hate swalloling pills and it tastes very bitter and makes your stomach lose it's appetite, especially since you take it twice a day. Yeah I didn't want to lose weight but it wound up that way.

None of them cause weight loss, but some of them do curb the appitite, and it depends upon how your body reacts to each individual drug. Look at the National Institue of Mental Health website, www.nih.gov, for good information about depression and treating it.