who is actonel?
Actonel (risedronate) is in a group of medicines called bisphosphonates (bis FOS fo nayts). It alters the cycle of bone formation and breakdown in the body. Risedronate slows bone loss while increasing bone mass, which may prevent bone fractures. Actonel is used to treat or prevent osteoporosis in men and women. Actonel is also used to treat Paget's disease of bone.