Alendronate is in the group of medicines called bisphosphonates (bis FOS fo nayts). It
alters the cycle of bone formation and breakdown in the body. Alendronate slows bone loss
while increasing bone mass, which may prevent bone fractures.
Alendronate is used to treat or prevent postmenopausal osteoporosis and steroid-induced
osteoporosis. Alendronate is also used to treat Paget's disease of bone.
Alendronate may also be used for other purposes not listed in this medication guide.