I'm not a doctor and have no idea what your medical history is, so it could be a lot of things going on with you- I would get it checked out. However, I experience major tingling and pins and needles and numbness due to the Mirena. I was thoroughly checked out (several times) by my doctors. Everything was normal. I took out the mirena, within 24 hours, I was symptom free. 8 days later, all of the symptoms returned with a vengance. This is the "crash" that you may have heard something about. Anyway, I am just out of the crash and feeling better. Yes, the mirena can cause your symptoms!