Fosamax Side Effects: My pain started within a few days of a switch from Fosamax to a g http://www.medications.com/effect/view/32348 My pain started within a few days of a switch from Fosamax to a generic form. I had been on the med for about ten months and hadn't had anything significant as far as side effects are concerned. First my shoulder blew up with very painful tendinitis and b I could have written this. I was on Fosamax since 2000, the week Wed, 06 Aug 2008 21:32:54 -0400 http://www.medications.com/effect/view/32348?item=10823 I could have written this. I was on Fosamax since 2000, the weekly. Four weeks ago the insurance company switched me to generic. Thursday, huge pain top and side and rear of thigh going down to the knee. Could barely walk at times. Once it went away f http://www.medications.com/effect/view/32348?item=10823 Please read the posting I just entered. I began with leg pain si Sun, 17 Aug 2008 22:05:42 -0400 http://www.medications.com/effect/view/32348?item=11268 Please read the posting I just entered. I began with leg pain similar to yours and ended up with stress fractures in both femurs. http://www.medications.com/effect/view/32348?item=11268