Hello, my mom was allergic to the components in her knee
replacements. She ended up having them removed and redoing the replacement
so that all the symptons would go away hopefully. They did, not even an hour after the surgery her hives,redness,everything was gone.The doctors will tell you that your not allergic to the replacement. But, my mom was within an hour after surgery. red all over,fever. have an allergist do a skin and patch test for metals & cement.