My Wife Is Being Treated For Metastatic Bone Cancer Following

My wife is being treated for metastatic bone cancer following t2mono Brest cancer ,relapsed after 2 years. She is now on Perjeta, Herceptin, Abraxane chemo . 3 rd dose out of 12 is just over. For neuroethic pain in both legs at night she has been prescribed Maxgallin 75 mg + trptomer 25 mg. She has been sleeping all day And night this last 2 days with some trembling of hands when she gets up. Your opinion pl.