Mirena Help!!!

I got the Mirena after having my son, I've had it now for 4 months. I've been trying to stick it out and give it time to work and adjust and all of that, the bleeding stopped about a month ago, now it's only spotting here and there, which is great. I still am dealing with cramps every so often, when I do get them they are extremely bad but usually only for a few hours and then I'm good, this happens a couple days a month randomly. My main issue is I've been dealing with some pretty extreme and more consistent pain on my left side, felt more severely in my back but also my front mid abdominal. I was not dealing with this pain prior to the IUD but have been regularly since. it's tender to touch when the pain starts, lasts a few hours, sometimes a day or two and then it does away and I'm fine. I'm a anti bugging doctors unless I have to and I'm getting to the point now where I'm thinking maybe I need to pay a visit to have a talk with them. Just wanted to see it anyone else has dealt with this or has any advice?!