Following a bone density scan, I was prescribed fosomax. I began...

Following a bone density scan, I was prescribed fosomax. I began at 70 mg once each week. After the third dose I had a problem with my kidneys not functioning normally. I cut the dose to 35 mg and am now two months into this regime and I'm noticing the knuckles on my hands and the joints of my feet are enlarging and still have some problem with kidneys causing some water retention. I have a family history of ostoporosis so I'm trying to see if my body will adjust.