It's me again. i was on the MIRENA only 9 days and my symptoms came in 2.5 days extreme anxiety heart palpatations shaking, no sleep. now on toprol upped to 50 ( you can take up to 200mg. It just wares off... I am going to have to call the doc again. It has been over two months and three periods. I am wondering though I am under tremendous stress ( however I was going through all this before MIRENA and never had this at all. Could it add to it and keep it going or is it as I believe that my horomones need to get right. This is insane.............