<human>: Hi My father in law is a renal carcinoma patient. and they have suggested Votrient (800mg). He was ok with that drug but for the past three days he is complaining that he is having a very bad back pain . when we called the doctor they asked him to take spasmoproxyvon , Pan D tablet and Digin. Please do let me know if any other medicine can help him from the pain since his food intake has also reduced
<bot>: Hi, welcome to Chat Doctor, In case or renal cell carcinoma, metastasis in bone specially in the spine is most common.  So, the back pain you told is particularly a bone pain.  Spasmoproxyvone is a Chat Doctor.  It does not have any effect on pain causing due to disease in bone.  Now, in this condition consult with your treating doctor for adding a centrally acting pain inhibitor like tramadol group of 