Budeprion and pregnancy

I had been on Wellbutrin SR for three years then stopped during pregnancy. I decided to go back on it right after I had my baby. I have been taking it for 4 months now...or so I thought. When I first filled the prescription I saw that it was budeprion, which I heard was a generic form of Wellbutrin, so I shrugged it off. Since taking it, I have been feeling lethargic, have muscle weakness in my legs, am bitter, cannot sleep and have been craving sweets even when I'm not PMS'ing. I have been telling myself that it is due to being a new mom. Today, I got this terrible headache - it was brief, but painful. I never get headaches and am tired of not feeling like myself so I figured I'd get online to see about this budeprion as this is the only med. I take. Well wadda' know...budeprion is CLEARLY not the same as Wellbutrin and quite frankly, I'm PISSED that I have been taking it for this long! Looks like the makers of this crap have made a few bucks... Thank you to everyone who posted their experiences and I hope you were able to get back to taking Wellbutrin.