I found out that I had a brain meningioma almost two months ago. ...

I found out that I had a brain meningioma almost two months ago. I am currently being treated with CyberKnife technology and thank God this nightmare will soon be history. In the meantime, I had to take Prednisone, through IV in the hospital and then in pill form after. I am weaning off now, but the side effects are terrible. My normal weight is 106 lbs and I don't even want to know what I weigh now and it was only two months of taking that pill. While on it, I could not sleep, and I ate every carb possible. I am so bloated in my abdomen, and my face looks like a balloon. Now that I am coming off, I feel like a Zombie, I fall asleep everywhere and I feel like I am in a constant fog, not to mention the headaches. Does anyone know how long the side effects last after you stop taking the Prednisone?