Originally Posted by
Easeful 
My son gained 50 pounds the 6 weeks he was on zyprexa. He ate like a horse. Unfortunately as far as determing the true cause he was also on lithium for that same 6 weeks and it completely suppressed all thyroid function. So we'll probably never know. I'm a big fan now of making one med change at a time.
If I had kept taking zyprexa this would have been my experience.
I hear it is a GREAT med if it works for you. It just did not work
for me with the weight gain...