I just posted something like this a few days ago. What kind of "rash" do you have? Mine is red and splotchy and very prominent on my right arm. A little on my left but it seems to be going away. My GP says I have some type of infection somewhere, and I've talked to my nurses and neph. two times this week and they don't think it's from PD.
What kind of solution do you use? Are you on a cycler...if so... maybe there's something wrong with the solutions?
That would be scary! Let me know what's up, and DEFINITELY see your GP.