I Have Been Taking Embrel, Remicade And Humira Now For

I have been taking Embrel, Remicade and Humira now for the past 10 or so years. I have developed lumps under my skin over much of my body. My lump nodes in my neck have been inlarged for several years now. I just had a sonogram of my lump nodes looking for a reason that they have remained enlarged, no signs of infection so I am still left with why they remain enlarged. Do you have any answers for me? I have also been experiencing loss of balance with some of those moments being extreme