My mom had a knee replacement in October 2013 . In April 2014 she started to get hives all over her body and they have latest until now March 2015 . Basically one year . She is taking Zyrtec and it helps a little but she still gets the hives every day . She recently had an allergy test and the results said she is allergic to nickel . What should she do? Can she really be allergic to the knee replacement ? Besides going through the second surgery what should she do?
To know the cause for this you need to do different allergy test. I Don't think that she will have allergy with the transplant knee. Because the material which is used for knee use to be a different special non-allergic material. But to have conformation you can visit your or tho and check with the material he has kept and do an allergy test with it. Now at present she can take symptomatic treatment and I suggest ask her to do regular walking or cycling exercises. Because doing regular exercises also helps for reducing inflammation in body. Also check with the hematologist and dermatologist for further use of medication as well to check other causes of this. And if there is anything which can be done to identify the kind of allergy apart from allergy test. Here I told that it can not be total knee replacement as a cause of this because after replacement she was fine for more than 6 months if there is something related to it than it will start immediate after replacement with in a week time. So I suggest having close look on allergy test and visit a different doctor if one is not able to treat it properly. Take care.