i´ve been taking zyprexa for about 3-4 years now. i ...

i´ve been taking zyprexa for about 3-4 years now. i have severe imsomnia & constant twitching. i have extreme nausea & headaches. i´ve noticed that i´ve been happier but i can still feel down at times for small events that happen. i hardly ever get depressed but i hate the weight gain when i first began taking it i gained alot of weight & then for a year or so i was able to control my feeding binges but once again it´s gone out of control. i´d like to get off this medication but seeing that my doctor say´s he hasn´t seen me for over a year (my docs change periodically) he wants to keep me on it. i´m scared about getting diabetes & all the other side-effects.. i want to be able to sleep normally....