Hi Sally
I'm not on Cimzia, I'm on Enbrel but also take prednisolone. As Jenni says the likely problem is the prednisolone. It really does have to be reduced extremely slowly!
I'm on a maintenance dose of 3mg and I can't get below that, my body goes into immediate freefall and a flare follows right behind. I have been on high doses in the past but reduction has to be very gradual indeed. Also, at the start of the anti tnf treatment the body has to adjust and it seems quite common for people to feel fatigue after the first few doses. Your body does adapt though and you will start to improve. I would be inclined to stick with your regular dose of prednisolone until the Cimzia fully kicks in and the rheumatologist gives the go ahead.
As for kids, I had three within 16 months making four under six and severe uncontrolled RA (except when I was pregnant)!! You just get on with things as best you are able ... I read to them a lot, played lots of games, slept when they did, and basically coped. You just do :)
Lyn x