Yes, I have no doubt it's the Prednisone that is causing the weight gain. I have friends who are/have been on it, and they all say the same things. Not only does it cause rapid weight gain, but I has lots of other bad side effects. Google it, and you'll see what I mean. However, I was down to 191.4 this morning. No idea why, except that I did cut the pills from 4 last week down to 1 the last two days. I also used the elliptical for about an hour last night. First time I've felt like doing it since I got bronchitis. I just took my last one a few min ago. I hope I'm on the way back down now! LOL