What can be the cause of lower back pain that travels down to the buttock. noticed after using fosamax and lipitor (atorvastatin). asking for my grandmother.

Sciatica: Is pain that radiates from your lower back toward the buttock and lower leg. The most common cause is a bulging disc of the spine that pressing the sciatic nerve. Conservative treatment should ameliorate the condition and reduce pain. Rec. See a pain management specialist.

More the likely: It's arthritis , Lipitor (atorvastatin) would not give you limited sciatic pain- when there is a problem with Lipitor (atorvastatin) it's generalized.- fora ax shouldn't cause sciatica! see her pcp with her!