I've been struggling with this on and off for a while after having had a MOM hip replaced 8 years ago. I had a rash that has never gone away completely that I always suspected was due to the MOM device. Fast forward to a couple of months ago and I had a full-on, systemic reaction to something.
Doctors were all stymied by it and couldn't figure out what was causing my reactions - brain fog and fatigue beyond belief, sensitivity around all of my surgical sites from the last 8 years, blurry vision, swollen lymph nodes, symptoms of thyroid issues even though I had a partial thyroidectomy in April. After looking at my calendar, I was the one who identified that my problems started just a few days after I had a new dental crown put on. I got the info on the crown and the cement from the dentist and discovered the cement has "antimony nickel titanium oxide yellow" in it. I then had sensitivity testing done by Orthopedic Analysis and discovered I am highly reactive to nickel.
My replacement hip is titanium but I know it probably contains nickel as well so now, we have to see if it will settle down and this "flare up" is a reaction that will go away over time or ??? I hate the thought of removing anything that contains any nickel, especially my hip as it was surgery #5 on that one, but I also know the brain fog and fatigue have been excruciating. No life. Work is suffering. Marriage is suffering.
Good luck @april0608 and don't give up.