Hi,
I gained about 30 pounds from a cocktail of meds, depakote being one of them. I have a limited 1200-1400 calories a day diet and I excerise. It has to be the meds! I suppose Depakote does have that effect, since it does say so in the side effect info. I have another medical condition that coincides (unfortunately) with the weight gain, so I can't really say how much of it is from what. I do know that those meds you asked about do cause it though. There are alternatives that do not cause as much weight gain, but my drs won't put me on them.
Take care.