Risedronate is in the 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.
Calcium is a mineral that is needed for many functions of the body, especially bone formation
and maintenance.
Risedronate is used to treat or prevent postmenopausal and steroid-induced osteoporosis.
Risedronate is also used to treat Paget's disease of bone.
Calcium carbonate is used to prevent and to treat calcium deficiencies.
Calcium carbonate and risedronate may also be used for other purposes not listed in this
medication guide.