Could well be

I have experienced healing reactions months into pulling.  Probably my most severe one was about two months into pulling.  Just keep pulling, sometimes if you are eating poorly or are eating things that aid in detox your system can get overwhelmed.  I think pulling regularly gradually opens up the channels and you will notice you detox much more easily than before -- it sounds like something was released in your system that overwhelmed the normal detox channels so it came out in your skin.  Drink lots of water, maybe some detox tea if you have it or some of the detox footpads are good when your system is overwhelmed.