I took Fosamax for about 6 months when I started getting really dry inflammed eyes which affected my vision. Eye doctor said it was episcleritis. After reading the side effects in the Fosamax literature, Episcleritis is one of the known side effects so I went off. I couldn't risk losing my vision over osteoporosis. So now I take Native Path Bone Health Collagen which has Fortibone in it and has been proven to help with osteoporosis. I also take Vitamin K2 and Vitamin D3, along with the normal B12 and drink 3 glasses of milk per day, plus eat cheese and yogurt. I also was diagnosed with a bone spur in my hip socket after 6 months of being on the Fosamax but no way to prove if it was caused by the Fosamax or not. I would not go back on that drug or any other drug. Try treating osteoporosis naturally if you can.