I just realized I didn't answer your second question.
If you are in treatment, there's a chance you're experiencing a herx.....or, it's possible the symptoms of a different infection are coming to the forefront.
Increased detoxing will help you know whether or not it's a herx. What all do you do for detoxing?
Here are a few ideas for things you can add:
www.tiredoflyme.com/detox-methods.html