if you're going to continue on zyprexa treatment for a while, id personally see about having a family doctor or general practitioner see you regularly, in addition to your psychiatrist. a psychiatrist told me once that she's seen zyprexa cause diabetes even w/o significant weight gain, so I think/assume one would need regular blood work (cholesterol, blood sugar, etc.) on top of watching any weight changes.

there's also the tardive dyskinesia risk to consider. the risk is lower with zyprexa than with, say, haldol, but the risk is definitely --not-- 0. I don't know how things are where you live, but here where I am, general practitioners are a lot better about checking for TD and doing something about it than the shrinks are.