I also have Lyme disease (diagnosed in 2008). I got my Mirena in Jan 2015 and removed in May 2015. It made me pretty mental. A few months after removal, I felt like my Lyme symptoms were coming back. Now, after some research, I think it is related to the silicone in the Mirena.
Just wanted to touch base - I'd love to know if you are feeling better and what kind of doctor you went to for diagnosis/treatment.
Ugh - getting a Mirena is the worst decision I have ever made.